JPS60500250A - Glass-crystalline material and its manufacturing method - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Glass-crystalline material and method for producing the same Field of the invention The invention relates to building materials, more particularly glass-crystal materials. allinematerial) and its manufacturing method.

Description of prior art Conventional technology uses β-Water as a glassy decorative material similar to natural granite or marble. Lastonite forms needle-shaped crystals from the surface of the article inward perpendicularly to it through heat treatment. It takes advantage of the property of growing in shape. Glass is 1400-15 depending on glass composition Melts at a temperature of 50°C.

The molded product is processed at a temperature of 1000-1200℃ to create glass with a marble-like surface. - Plates of crystalline material. The glass composition is determined by crystallization of β-wollastonite. It is within the range determined by Glass-crystalline material having the following composition (mass ratio) is known in this field.

CaO15-40 The total amount of these components exceeds 90% by mass. This substance is also an oxide-type compound. Colorant (Fe203.C00jNiO) can be blended in an amount of 0.05 to 40 mass Wear.

A method of making articles from such materials is to mold hats from molten glass. (g) and further heat-treating the resulting glass article under the following conditions. That is, , the temperature was raised to 700°C at a heating rate of 300°C/hour (first stage heat treatment), and then Temperature speed 120~b and held at 1200° C. for 1 hour (second stage heat treatment). Articles during heat treatment To prevent deformation, the surface of the article is pre-coated with a refractory agent that promotes crystal growth. overturn. Such refractory agents may consist of an aqueous suspension of At203 and ZrO2. (see British Patent No. 1342823).

Similarly, glass-crystalline materials with a marble-granite appearance are known (U.S. (see Japanese Patent No. 3955989), sintering of glass grains and their crystallization (temperature 1150°C) ) is created by. During heat treatment, needle-like crystals of β-wollastonite form particles. Grows inward from the surface perpendicular to it. Glass is 5iO2-CaO-At203 and S +02- CaO-At203- Pour the melt containing ZnO into water. It can be obtained by making granules. After this step, the pre-made granules are placed in a refractory mold. Fill it and put it into the sintering and crystallization furnace. I diameter 2~ for granular materials! 5mm z Sintering a glass rod with a length of 100 CrrL, or turning uncolored glass particles into colored glass. Salt (e.g. NICt It is also possible to spray the aqueous solution of 2) onto the surface of the granules.・“Mottled pattern It is known that there is a method for producing a substance called ``fi'' (U.S. patent filed March 11, 1980). National Patent No. 4192666 and National Patent No. 4197105 filed on April 8, 1980 (see issue), glass-crystalline materials made from various compositions with various colored paints. After applying the paste, it consists of a heat treatment to fix the colorant.

A method for producing a marble-like glass-crystalline material having the following composition (mass ratio) is known: ing.

CaO15-40 In this method, glass is melted at a temperature of 1400-1550°C and has a protruding edge. Molded as a plate, heated at a temperature of 1000 to 1200°C, cooled, and removed the protruding parts. Perform polishing to remove and then polish.

During crystallization, needle-like crystals of β-wollastonite appear and are perpendicular to the surface of the glass. grow in the opposite direction. When the protruding ends are polished and removed, a pattern appears on the surface (1 U.S. Patent No. 4 filed October 22, 19974 (See No. 3843343).

Mechanical methods are adopted to obtain good decorative effects on the above glass-crystalline materials. (formation of protrusions, creation of articles with rough surfaces). These defects can be removed by polishing. This makes the method of manufacturing such glass-crystalline materials expensive.

The decoration/matrix of these materials is related to the outer layer and is used as a floor covering. If it is, it can be ground down. of granules The production of glass-crystalline materials by sintering allows obtaining various patterns on the surface. provide sex. However, this method is based on a punch method, and continuous You cannot create a method. Additionally, the product shrinks uniformly during sintering. It should be noted that it is not possible to obtain plates with such a thickness. obtained Ru! Lasu crystalline materials are porous and characterized by high water absorption, so their applications is restricted.

Most of the above substances are manufactured under high temperature heat treatment conditions (1100-1200°C). It is characterized by This condition requires a high energy supply and requires a crystallization furnace. It is necessary to use a refractory mold.

Disclosure of invention The present invention is characterized by selecting the quality and quantity of ingredients under appropriate processing conditions to achieve decorative and physical-mechanical properties. Glass-crystalline materials with improved mechanical properties and which can also be produced in a continuous process and their production. The aim is to provide a method for creating

The purpose is 5in2+ At203. Glass-crystalline substance containing CaO Therefore, according to the present invention, it has a granite-like appearance and has the following component ratio (mass/'-cent. ) consists essentially of spherulite β-wollastonite crystals. is achieved.

8102 55, 0-600 A72036.0-9.0 Ca0　17.0~25.0 Mg0 3.0~100 The total amount of Sin2r At203 and CaO is less than 87 mass parts.

The glass-crystalline material according to the invention has improved decorative properties due to its original nature; A long-lived gut made of β-wollastonite spherulites dispersed within the body of a substance. It has a horn. Furthermore, it has higher physical-mechanical properties compared to natural granite.

In order to expand the range of coloring and improve the decorative quality of the substances according to the invention, at least It is effective to include one type of colorant in an amount of 0.05 to 40 mass.

It is likewise preferred to include oxide dyes in the glass-crystalline material according to the invention.

Depending on the valence bond (coordination) state, oxide dyes can be used as opalescent glass or β-wollastonite. Gives various colors to spherulites.

Preferred embodiments of the invention The glass-crystalline material according to the invention comprises the proportions (percent by weight) specified below. I understand.

3102 55, 0-57.0 At2036.　O~9.0 Ca0　17.0~23.0 Mg0 3.0~10.0 This substance contains oxide type dyes Cr203 and CO2 which give a greenish blue color. Contains a mixture of O3.

Similarly, the glass-crystalline material according to the invention may include colloidal type pigments to produce the final imparting a certain color to the substance, e.g. brown, and ensuring spherulites of a given size It is also desirable.

According to the invention, the glass-crystalline material containing the colloidal type colorant comprises the following ingredients: It comprises the following proportions (mass percent):

3102 56-0~58.0 At20360-70 CaO200-230 Mg0 3.0~5.0 β-Wolast to produce glass-crystalline materials with high mechanical strength properties The size of the night spherulites is preferably within the range of about 0.3 to 5 my.

The method for producing glass-crystalline material according to the invention is based on a 5in2. At203. Ca Glass molding (molding) from a molten material containing O and According to the present invention, MgO Molded from glass containing , Na2Or, K2O, F-, and heated to 30-50'℃. lower than the vitrification temperature temperature, and the heat treatment consists mainly of spherulite crystals of β-oolastonite. This process is continued until the material changes to a uniform granite material.

The method according to the present invention is carried out by a continuous mechanized manufacturing method8 This allows for decorative construction with a production cost 2 to 3 times lower than that of natural granite materials. It makes it possible to manufacture building materials.

After heat treatment of the glass at a temperature of 650-8oo℃, the temperature is about 150-2oo℃/ Raise the temperature to 930-950℃ at a rate of It is preferred to transform it into a granite-like glass-crystalline material.

These heat treatment conditions only form the initial groove throughout the material according to the invention. spherulite β-wolaston that improves its physical-mechanical properties compared to natural granite Contains all the factors necessary for the crystallization of light. Furthermore, these conditions Eliminating glass deformation during processing and reducing input energy for processing enable.

The glass-crystalline material according to the invention has a granite-like appearance and has the following composition (mass: It consists essentially of spherulite β-wollastonite crystals with the following components: Ru.

5iO255,0-6o,.

At2036.0-9. .

CaO17,O~25.0 Mg0 3.0~10.0 205.0 to 7.0 Na20 10~20 The inherent nature of the patterns formed in this material is that during volumetric crystallization, different colored Small-sized crystallized glass or opacified glass (opacified g, 1ass) This is ensured by the formation of spherulite aggregates against the background.

The presence of S]02 and CaO at a concentration within a specific range will cause spherulites to form during heat treatment of glass. ensure the formation of Spherulites consist of crystals of β-wollastonite and have a high physical and mechanical property. mechanical properties, which determine the high physico-mechanical properties of the final glass-crystalline material. do.

The presence of At2061Mg01Na20 specified above is due to the specific viscosity of the glass melt. Guarantee properties. This is made by molding molten glass using a press method, processing it with continuous rolls, and then We guarantee free casting. To avoid deformation of the article during crystallization 2o must be present in the composition. This controls the viscosity of the glass during heat treatment. increases and promotes the elution process in the glass, thus crystallization Contribute to

Guarantees the inherent properties of the graphene formed in the glass-crystallized material according to the invention The conditions for the formation of β-wollastonite spherulites depend on the factors specified below. It was found that it was determined that

The phase that develops should belong to chain silicates.

0 Glass has a liquation structure and an interface. It should have a sufficiently well-developed surface.

The dimension of the elution domain is 0.1 to 0.2 μm It should be. Similarly, chemical deviations in the glass structure The factors of fferentiation are important, thereby increasing the One of the phases has a composition similar to that which would be crystalline.

The formation of spherulites requires a highly viscous system. It disturbs the growth of crystals, resulting in A spherulite structure is obtained by decomposing into individual crystals.

Wollastonite is related to chain silicates and should form spherulite aggregates under appropriate conditions. be. To form a glassy elution structure and initiate the formation of β-CaSt03 spherulites. For this purpose, fluorine must be present in the glass composition in a strictly specified range of 1 to 2.5 mass parts. Must be. Fluorine contributes to the elution of the glass, resulting in CaO and F- A rich microscopic phase is formed, chemical deviations occur in the structure, and an interface is formed. To fluoride Separation of crystallization centers (nuclei) and growth of spherulites occur in the enriched glass phase.

The amount of fluorine should be less than 1 mass to ensure elution and form a certain number of crystallization nuclei. Must-have. At the same time, it should be about 25 mass and not more than 0.

Otherwise, the number of crystallization centers will be too large, forming pyroceram (devitrified glass). Finely dispersed crystallization will occur.

According to the present invention, lath-crystalline materials have a surface architecture due to their special crystal chemical structure. It has high physical-mechanical properties that meet the requirements imposed on the material. The table below is based on the present invention The physical-mechanical properties of the material are summarized in comparison with natural granite and marble. It is something.

table Characteristics Unit Material of the present invention Marble Granite Density k,,/. 32.600～ 2.600~2.600~2.800 2,800 2.800 Bending strength MPa 25-50 7,2 15 Compressive strength MPa 300-50 0 60-300 100-330 Specific impact viscosity kg-cm/cm 1.5-1.7 0.77], 4 Mohs hardness 7-8 3 approx. 7 Abrasion resistance g/cm 0.05-0.25 0.2-2.0 0.1-0.5 Water percentage: OO, 1-0.7 0.1-1.0 From the characteristics shown in the table above, the present invention The material has lower flexural strength, compressive strength, and wear resistance compared to granite and marble. It can be seen that it has excellent wear resistance.

These properties as well as fire resistance, weather resistance and increased chemical stability are achieved by the present invention. In addition to its excellent decorative properties, it provides a long service life to the materials used. Furthermore, the present invention The material according to the invention has no water absorption properties, which makes the material according to the invention susceptible to the strong influence of atmospheric sediments. Maintaining the basics of family wealth 12 It also serves as an indispensable material for the interior decoration of subway stations.

The glass-crystalline material according to the invention is colored in a proportion of 0.05 to 40% by mass. Any shade can be obtained depending on the agent or colorant mixture It is. In the preparation of the substances according to the invention, coloring of oxide or colloidal type is possible. agent can be used.

Oxide-type dyes consist of oxides of elements with variable valence. these During heat treatment, colorants are distributed unevenly in the glass phase and spherulites depending on their crystal chemistry. uniformly distributed. Wollastonite, which develops through crystallization, consists of opalescent glass regions and spheres. Extensive isomorphic substitutions that lead to different coloration of crystals itution). Furthermore, it may change during heat treatment and crystallization. Elements with different valences tend to change their d-bond (coordination) states to provide different colors. There is. Oxide type colorant is CrOrCo□06*Fe203r3 Select from the group of NiOr MnO + TiOr VO. Cr3+2 3 2 25 gives green color to the spherulites, co gives blue color, N1 gives gray color, and Tl gives purple color. Ru. Coloring agents may be used not only alone but also in combination, thereby making milky white glass and and the color of the spherulites have different textures depending on the selective penetration of the colorant into them. de).

In the production of glass crystalline materials according to the invention, colloidal type colorants (copper, sulfurized aluminum) are used. Antimony and sulfide oxides provide a range of colors not available with the use of oxide-type colorants. do. Copper colloids thus offer the possibility of producing red substances and antimony sulfide. Cadmium sulfide offers the possibility of an orange-brown color, and cadmium sulfide a yellow color. These colorants are substances present in the form of particles of colloidal size in the glass, rather than in the form of particles that impart the desired color to the glass. to form an interface, which promotes the process of β-wollastonite spherulite formation. .

The inventors have also developed a method for producing glass-crystalline materials according to the invention. this method Contains silica sand, hot metal furnace slag, chalk, dolomite, alumina, caustic potash, and fluorine. The charge containing the melted raw materials is melted in a glass melting tank furnace at a temperature of 1450 to 1520°C. Consists of melting. At this stage, oxide-type or colloid-type dyes are added. It is possible to incorporate it into the filling. The quantitative proportion of the filling components is glass-crystalline. Determined by the chemical composition of the substance. Then forming glass from the resulting melt is carried out using conventional methods (pressing method, free casting method, continuous roll processing method). Or is it? The glass is cooled to a temperature of 30 to 50°C below the glass transition temperature Tg, and then heat treated. Do this. The heat treatment conditions depend on the glass composition, and in the first stage, the heating rate is approximately 150~b It is determined by the temperature before heating (650 to 800°C). Gala in the second stage temperature (930~b) Granite-like glass mainly composed of 0.3-5 mm spherulite β-wollastonite - change into a crystalline substance.

During heat treatment, the shape of crystallization nuclei that initiates further growth of β-wollastonite spherulites. The parameters are strictly specified, the viscosity of the system is specified to prevent the glass from deforming, and Provide the necessary conditions for spherulite growth. The number and dimensions of spherulites depend on heat treatment conditions and It can be varied by adjusting the amount of initiator (fluorine).

At the temperature of the first stage of heat treatment, the following processes occur in the glass. In other words, Gala relaxation processes that achieve equilibrium states, metastable elution, local physical or chemical changes in the structure. The process of variation in order, the dissolution of the dissolution or variation domain that already exists in the initial glass. solution), critical dimension that contributes to further growth of β-wollastonite spherulites Formation or partial annihilation of the nucleus of law.

Depending on the amount of fluorine in the glass and cooling the glass to a temperature of 30-50°C below Tg. The temperature of the first stage is selected depending on the degree of completeness of the relaxation process that takes place.

The fluorine content in the glass is the center of crystallization (nucleus) of β-wollastonite spherulites. If the amount of fluorine is too large to ensure that sufficient amount of fluorine is released during cooling, If the should be selected.

The amount of fluorine exceeds the optimum amount for the composition of the script, and some of the crystallization centers are finely dispersed in the body. If melting is required to avoid crystallization, the first stage temperature should be increased to 750°C. Select within the range of ~800°C. There are 15 parameters that are very important in the heat treatment stage. The temperature increase rate is from 0 to b. This affects the deformation of the glass-crystalline material according to the present invention. The process of elution and isolation of metastable phase crystals that gives cause to occur.

The method according to the invention has no water absorption and high physical properties compared to natural materials, especially granite. Granite-like glass consisting essentially of β-wollastonite spherulites with mechanical properties - makes it possible to produce crystalline substances.

This method ensures a high degree of mechanization of the manufacturing process and its continuous nature. of glass Heat treatment can be carried out by appropriately selecting the composition and temperature of heat treatment. Avoiding deformation of the glass during time without artificial techniques, e.g. fire-resistant coating becomes possible.

Additionally, a decorative effect is provided due to the glass's tendency to spherulite crystallization, which can be achieved during the molding stage. The only way to avoid this problem is to avoid the trouble of Eliminates the need for forming protrusions and rough surfaces.

The composition and manufacturing method of glass-crystalline materials will be explained in order to better understand the present invention. Some specific examples are discussed below.

By weight: 61.0 parts of silica sand, 26.0 parts of chalk, 18.1 parts of dolomite, alumina A charge consisting of 5.03 parts of caustic potash, 10.0 parts of caustic potash, and 43 parts of cryolite was placed in a bathtub-shaped gas tank. Melt at 1500°C in a weakly oxidizing atmosphere in a lath melting furnace.

The obtained glass is molded into a plate using an automatic press machine, and the glass is heated to 600°C. Cool to a temperature 50°C lower than the transition temperature. Place the plate in a crystallization furnace and heat it at 750°C. The sample is heat treated at a temperature of 930°C at a rate of 150°C/hour. 9 for plate-like objects Hold at 30°C for approximately 1 hour. After heat treatment, the plate is cooled to room temperature and transported to a conveyor. The material is then machined to reveal the texture of the material and give it a commercial appearance.

The resulting platelets are white with spherulites measuring 0.5-2 mm and have the following Ingredients (composition is mass) with CaO20, -〇 MgO3, to The material has a density of 2700 kg/m, a bending strength of 30 MPa, and a compressive strength of 350 M. Pa, abrasion resistance 0.11 unevenness, chemical resistance NaOH-86.5%, acid-988 %.

Example 2 A charge with the same starting materials as described in Example 1 was prepared in an oxidizing medium at a temperature of 1480°C. melt. The molding of a plate-like product and its cooling are carried out as in Example 1. Crystallize platelets Placed in a furnace and heat treated at a temperature of 650°C, and further increased to 950°C at a rate of 200°C/hour. Warm and hold at temperature for 45 minutes. The plate-like material obtained has the following composition (mass%): Made from glass-ceramic materials. SiO55.0, At2039.0, CaO17.0, MgO9.2, Na2O1.3, K2O7.0, F 1.5 ．． This material consists of light blue spherulites of size 3-5 mm. child The substance has the following properties: Density 2650 kg/m.

Bending strength 25 MPa, abrasion resistance 0.15 cm, water absorption 0 cm, compressive strength Degree 320 MPa 0 A charge containing the starting material described in Example 1 with the colorant Cr 203 was melted at 1520 °C. do. A plate is formed from the resulting glass as described in Example 1, cooled and heated. Process. However, the cooling temperature is 620℃, that is, 30℃ lower than the glass transition temperature. The first stage heat treatment is at 800°C. A plate-like object created in this way consists of a glass-crystalline material with the following composition (mass ratio): S　iO57,3,AZ 203 f), 32 jCaO22,3-MgO4,8, Na2O1,3, K 2O6,1, F-1,78.

cr2030.1゜This material is made of opalescent green glass and approximately 5 rhymes in size, with a gray-green color. Consists of spherulites. The distribution of spherulites is uneven, which gives the material a special decorative effect. Well, it's especially obvious after sanding and polishing this material.

Example 4 The starting material described in Example 1 contains Cr203 and Co2O3 as colorants. The contents are melted at 1520°C.

The resulting glass was molded into plates as described in Example 1, cooled and heat treated. Ru. However, the heat treatment in the first stage is 800℃, and the heat treatment in the second stage of plate-like material is The residence time at the trough is 2 hours. The plate-like material created in this way has the following composition (mass ) of glass-crystalline substances. SiO55,0, A12036. O, Ca O25,01Mg050. Na2020. to 207.0. F-1,61cr2o 3o, 3. CO2O30,10 The resulting material has a non-uniform color. It is a large-sized spherulite, and the color is the darkest in the center, and the color fades toward the periphery. Ru. The starting material described in Example 1 has a blue-green color throughout and similar properties to those described in the example. The glass obtained by melting the charge containing the colorant C1120 and Nl 203 The plates are molded, cooled and heat treated as described in Example 1. Created like this The plate-like material is made of a glass-crystalline material having the following composition (mass x): 5iO25 5, 3, A12036.6, CaO17,9lMgO10,O.

Na2O1,5, K2O6,2, F-1,8, Cu2O0,3, Ni2030. 4゜This substance is red with gray spherulites against a background of finely crystallized glass. be.

Example 6 A charge containing the starting material described in Example 1 and the colorant Cu 20 was added under reduced pressure to a temperature of 1520°C. A plate-like product is molded from the resulting melt at a temperature of 620°C, that is, a glass The first stage temperature is 700°C, and then the first stage temperature is 700°C. Heat treatment is performed to 950° C. at a temperature increase rate of 170’C4. The plate-like material has the following composition (quality). consisting of a glass-crystalline material with a

5iO257, OIAt203621CaO2311MgO32゜Na2O2, OOr　K2O7,Or　F-1,0,Cu2O0,5oThis substance has a black surface It has a thin layer. When this thin layer is polished away, an opalescent glass phase is revealed, giving it a blue color. It has a dark green color and unevenly distributed colored spherulites. This substance has high decorative properties It has the following physical-mechanical properties. Density 2620 kg/m5, bending strength 25MPa, compressive strength 300MPa, wear resistance 0.229/cra.

Introducing the reducing agent SnO to the charge containing Cu20 to the starting material described in Example 1, This is melted, shaped into plates as described in Example 1, cooled and heat treated. board The material has a composition similar to that described in Example 6, is red in color, and has dimensions 03 to It consists of a glass-crystalline material with 471 m spherulites. This substance has the following properties have Density 2700 kg/m, bending strength 27 MPa.

Compressive strength 400MPa, wear resistance 0.15.9ArIL.

A charge containing the starting material as described in Example 1 and the colorant Sb2S3 is added in a mildly reducing medium. Melts at a temperature of 1470°C. A plate is formed from the resulting melt and then heat treated. In the first stage of treatment, the temperature is 750° C., and the rear side is treated in the same manner as 1. The plate-like object is the second stage. Hold on floor for 30 minutes. The obtained plate-like material is a glass having the following composition (mass%) - Consists of crystalline material. 510256.3 rAL2036.32 a CaO 22,3, MgO3,4z Na2O1,3.

K2O611F-178,8b2S325゜This material is dark brown with dimensions 1 to 57 parts m. It is a brown color with colored spherulites. The properties of the glass-crystalline material obtained are described in Example 7. It is similar to what was done.

Example 9 The starting material described in Example 1 and the charge containing the colorant Co203f were placed in a mildly oxidizing atmosphere. It melts at a temperature of 1500°C. A plate-like product is molded from the obtained melt and heated to 620°C. temperature, that is, 30°C lower than the glass transition temperature, and heat treated. The temperature is set at 800°C and then raised to 950°C at a rate of 150°C/hour.

The plate consists of a glass-crystalline material with the following composition (% by weight): 5in257.0 , Al2O,6,7, CaO22,25.

MgO30, 2070. Na2020. F-2゜Or　CO203005゜Blue day color, the properties are similar to those described in Example 2 and the starting material described in Example 1 contains the colorant NiO. A plate was molded from the glass melt as described in Example 1 and cooled. Cool and heat treat. The plate consists of a glass-crystalline material with the following composition (mass ratio): .

5in255. O, At2036. Os　CaO18,O, MgO7,Ot K207. Or Na2O2,0+F1.0, Ni04. Oo this substance is gray in color and has similar properties to the material described in Example 7.

Example 11 By weight: 50 parts of blast furnace slag, 40 parts of silica sand, 10 parts of caustic alkali, 3.4 parts of cryolite. A charge consisting of 20,325 parts of Melts in air at a temperature of 145.0 to 1470°C.

A plate-shaped product is molded from the obtained melt using an automatic press machine, and heated to 625°C, that is, 30° below Tg. Cool to a lower temperature. The plate was then heated first to 800°C and then to 90°C for 30 minutes. Heat treated at 30°C and cooled. The resulting plate is a dispersed school of opacified primary colored glass. A glass-crystalline material with brown spherulites of small size (less than 2 mm) against a background of It will be. Its composition is as follows (mass ratio).

810256, 3, k120s 7.0, CaO21, Os MgO3,8 .

1'Ja201.25, K2O6,2r F-1,3, S20.6.

5b20524. Fe00111Mn0005゜Industrial applicability The glass-crystalline material according to the present invention is similar in appearance to and is similar to naturally occurring granite. Due to its high physical and mechanical properties, it can be used outdoors in various buildings, houses, subway stations, etc. It is useful as a decorative material on both the sides and the front.

1) Announcement of Junna Kutsu Continuation of page 1 0 shots clear Sarkisov Babel Gibraeropitch @Inventor Shukin Vitaliy Sergeypich 0 shots clearer Orlova Lyudmila Alexey Buna 0 shots clearer Peshkov Vladimir Mikailopich 0 shots clear person Polisova Olga Nikolaevna 0 shots clear person Podlesnaya Galina Vladlenovna @Inventor Kairetdeinova Leilyasafobna Soviet Union, Moscow, 125047. Uritsa Gotbarda, Dee, 2 0. Kwarchira 3 Soviet Union, 117261. Moscow, Leninsky Prospekt.

Dee, 72. Kuwarchira 500 Soviet Union, 129164. Moscow, Ulitsa Kibalchicha, Dee, 2. Corpus 3. Kwarchira 20 Soviet Union, 248640. Karga , Uritsa Michulina, Dee.

12, Kwarchira 30 Soviet Union, 129281. Moscow, Ulitsa, Menzhinskogo, Tea , 2 & Corpus 3. Kwarchira 123 Soviet Union, 129281. Moscow, Ulitsa, Menzhinskogo, Tea, 38. Corpus 2. Qwarch 192 Soviet Union, 117292. Moscow, Ulitsa Ivanaba Bushkina, Dee, 3. Kwarchira 36

Claims (1)

[Claims] 1. Spheroidal β-wolastona having a granite-like appearance and having the following component composition (mass%) 5102r　kA203r　Ca characterized by being essentially derived from light crystals Glass-crystalline material containing O. 5I02 55.0~60.0 At20360~9.0 CaO17.0~25.0 Mg0 3.0~10.0 [However, SiO2, At203. The total amount of CaO is less than 87 parts by weight. ] 2. Claim 1 containing 0.05 to 4 mass of at least one colorant Glass-crystalline material as described. 3. Glass-crystalline material according to claim 1 containing an oxide type colorant quality. 4. Claims 1, 2, or 3 consisting of components in the following proportions (mass ratio): Glass-Crystalline Substances as described in Section. SiO□ 55. O~57.0 At20360-90 CaO17,O~23.0 5. Glass-crystalline material according to claim 1 containing a colloidal colorant material. 6 Claims 1, 2 or 5 containing components in the following proportions (mass ratio): The glass-crystalline material described in Section 1. CaO20,O~23.0 7 Claims having spherulite β-wollastonite with dimensions of about 0.3 to 5 mm The glass-crystalline material according to any one of items 1 to 6. 8. Molten material containing SiO, AtO, CaO) Laga 2 23 Claims: Molding the lath and heat treating it to transform it into a glass-crystalline material A method for producing a glass-crystalline material according to any one of paragraphs 1 to 7. Then, the glass is further made from a melt containing MgOr　Na2Or　K2Or　F- It is molded, cooled to a temperature 30 to 50 degrees below the glass transition temperature, and then heat treated. It is transformed into a granite-like material consisting mainly of spherulite β-wollastonite crystals. Method 0 characterized by 9. Heat treatment of glass at 650~800℃ in the first stage, followed by 150~800℃ b Raise the temperature to 930-950°C and transform the glass into the granite-like material. 9. The method of claim 8, wherein the method is maintained for a sufficient period of time.