GB1553822A - X-ray topography of gemstones - Google Patents

X-ray topography of gemstones

Info

Publication number
GB1553822A
GB1553822A GB10789/75A GB1078975A GB1553822A GB 1553822 A GB1553822 A GB 1553822A GB 10789/75 A GB10789/75 A GB 10789/75A GB 1078975 A GB1078975 A GB 1078975A GB 1553822 A GB1553822 A GB 1553822A
Authority
GB
United Kingdom
Prior art keywords
gemstones
ray topography
topography
ray
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
Application number
GB10789/75A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beaumont J H Grime G W
Original Assignee
Beaumont J H Grime G W
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beaumont J H Grime G W filed Critical Beaumont J H Grime G W
Priority to GB10789/75A priority Critical patent/GB1553822A/en
Publication of GB1553822A publication Critical patent/GB1553822A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/389—Precious stones; Pearls
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/20—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
    • G01N23/205—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials using diffraction cameras

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
GB10789/75A 1976-06-11 1976-06-11 X-ray topography of gemstones Expired GB1553822A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB10789/75A GB1553822A (en) 1976-06-11 1976-06-11 X-ray topography of gemstones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB10789/75A GB1553822A (en) 1976-06-11 1976-06-11 X-ray topography of gemstones

Publications (1)

Publication Number Publication Date
GB1553822A true GB1553822A (en) 1979-10-10

Family

ID=9974293

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10789/75A Expired GB1553822A (en) 1976-06-11 1976-06-11 X-ray topography of gemstones

Country Status (1)

Country Link
GB (1) GB1553822A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989012816A1 (en) * 1988-06-16 1989-12-28 Gersan Establishment Determining the existence of misorientation in a crystal
WO1998008081A2 (en) * 1996-08-02 1998-02-26 Roland Diehl Method of identifying cut diamonds
AU747298B2 (en) * 1997-08-13 2002-05-16 De Beers Consolidated Mines Limited On-line diamond detection
WO2016092300A1 (en) * 2014-12-09 2016-06-16 Peter Reischig A method of generating a fingerprint for a gemstone using x-ray imaging

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989012816A1 (en) * 1988-06-16 1989-12-28 Gersan Establishment Determining the existence of misorientation in a crystal
US5077767A (en) * 1988-06-16 1991-12-31 Gersan Establishment Determining the existence of misorientation in a crystal
AU629839B2 (en) * 1988-06-16 1992-10-15 Gersan Establishment Determining the existence of misorientation in a crystal
WO1998008081A2 (en) * 1996-08-02 1998-02-26 Roland Diehl Method of identifying cut diamonds
WO1998008081A3 (en) * 1996-08-02 1998-05-14 Roland Diehl Method of identifying cut diamonds
AU747298B2 (en) * 1997-08-13 2002-05-16 De Beers Consolidated Mines Limited On-line diamond detection
WO2016092300A1 (en) * 2014-12-09 2016-06-16 Peter Reischig A method of generating a fingerprint for a gemstone using x-ray imaging
RU2690707C2 (en) * 2014-12-09 2019-06-05 Петер РЕИШЧИГ Method of creating signature for gemstone using x-ray imaging

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee