DE556926C - Herstellung von natuerliche Edelsteine ersetzenden Steinen - Google Patents
Herstellung von natuerliche Edelsteine ersetzenden SteinenInfo
- Publication number
- DE556926C DE556926C DER80976D DER0080976D DE556926C DE 556926 C DE556926 C DE 556926C DE R80976 D DER80976 D DE R80976D DE R0080976 D DER0080976 D DE R0080976D DE 556926 C DE556926 C DE 556926C
- Authority
- DE
- Germany
- Prior art keywords
- manufacture
- stones
- natural gemstone
- replacement
- replacement stones
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/16—Oxides
- C30B29/22—Complex oxides
- C30B29/26—Complex oxides with formula BMe2O4, wherein B is Mg, Ni, Co, Al, Zn, or Cd and Me is Fe, Ga, Sc, Cr, Co, or Al
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Adornments (AREA)
Description
BEIiUN. KKDHUCKT IN" DER RElCHSIiHLCKr.KEl
Claims (1)
- Patentanspruch:Herstellung von natürliche Edelsteine ersetzenden Steinen mit einem dem Diamanten nahekommenden Brechungsexponenten, dadurch gekennzeichnet, daß Zirkondioxyd und Thoriumdioxyd in Verbindung mit mindestens einem Oxyd der Erdalkalien, Cerit- und Yttererden geschmolzen werden.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DER80976D DE556926C (de) | 1931-03-10 | 1931-03-10 | Herstellung von natuerliche Edelsteine ersetzenden Steinen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DER80976D DE556926C (de) | 1931-03-10 | 1931-03-10 | Herstellung von natuerliche Edelsteine ersetzenden Steinen |
Publications (1)
Publication Number | Publication Date |
---|---|
DE556926C true DE556926C (de) | 1932-08-16 |
Family
ID=7416401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DER80976D Expired DE556926C (de) | 1931-03-10 | 1931-03-10 | Herstellung von natuerliche Edelsteine ersetzenden Steinen |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE556926C (de) |
-
1931
- 1931-03-10 DE DER80976D patent/DE556926C/de not_active Expired
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