JPS5598341A - Method of estimating color of jewel - Google Patents

Method of estimating color of jewel

Info

Publication number
JPS5598341A
JPS5598341A JP12957079A JP12957079A JPS5598341A JP S5598341 A JPS5598341 A JP S5598341A JP 12957079 A JP12957079 A JP 12957079A JP 12957079 A JP12957079 A JP 12957079A JP S5598341 A JPS5598341 A JP S5598341A
Authority
JP
Japan
Prior art keywords
jewel
estimating color
estimating
color
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.)
Pending
Application number
JP12957079A
Other languages
English (en)
Japanese (ja)
Inventor
Suchiwaato Utsuzu Jiofurei
Maaku Ueruboon Kurisutofuaa
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.)
De Beers Consolidated Mines Ltd
Original Assignee
De Beers Consolidated Mines Ltd
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 De Beers Consolidated Mines Ltd filed Critical De Beers Consolidated Mines Ltd
Publication of JPS5598341A publication Critical patent/JPS5598341A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/87—Investigating jewels

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Spectrometry And Color Measurement (AREA)
JP12957079A 1978-10-09 1979-10-09 Method of estimating color of jewel Pending JPS5598341A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7839847 1978-10-09

Publications (1)

Publication Number Publication Date
JPS5598341A true JPS5598341A (en) 1980-07-26

Family

ID=10500211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12957079A Pending JPS5598341A (en) 1978-10-09 1979-10-09 Method of estimating color of jewel

Country Status (9)

Country Link
JP (1) JPS5598341A (fr)
AU (1) AU527834B2 (fr)
BE (1) BE879290A (fr)
CH (1) CH644452A5 (fr)
DE (1) DE2940625A1 (fr)
FR (1) FR2438837A1 (fr)
IL (1) IL58344A (fr)
NL (1) NL189426C (fr)
ZA (1) ZA795228B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58728A (ja) * 1981-06-25 1983-01-05 Shimadzu Corp ダイヤモンドカラ−測定装置
JPS5830644A (ja) * 1981-08-14 1983-02-23 Ii R C:Kk 光軸を確定する方法
CN111788474A (zh) * 2017-12-29 2020-10-16 金展科技有限公司 钻石净度测量方法和系统

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA813263B (en) * 1980-06-04 1982-06-30 De Beers Cons Mines Ltd The assessment of colour in diamonds and other gems
JPH0711488B2 (ja) * 1992-12-18 1995-02-08 株式会社泰光 カット面が形成された宝石の拡大視装置
FR2768513B1 (fr) * 1997-09-15 1999-12-03 Jean Pierre Delgrande Procede d'analyse colorimetrique comparative et dispositif correspondant

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4842873A (fr) * 1971-09-29 1973-06-21
JPS5329180A (en) * 1976-08-27 1978-03-18 De Beers Ind Diamond Method of and apparatus for measuring optical characteristics
JPS5378855A (en) * 1976-12-21 1978-07-12 Nec Corp Polygonal jewery identifying device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2992588A (en) * 1958-02-03 1961-07-18 Beckman Instruments Inc Photometer reflectance unit
DE1772105C2 (de) * 1968-03-30 1974-04-04 Eickhorst, Manfred, 2000 Hamburg Vorrichtung zur Bestimmung der photometrischen Transmission geschliffener Diamanten
AT344419B (de) * 1973-03-20 1978-07-25 Dihaco Diamanten Handels Co Vorrichtung zur feststellung der bewertungsdaten von farbedelsteinen, insbesondere brillanten

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4842873A (fr) * 1971-09-29 1973-06-21
JPS5329180A (en) * 1976-08-27 1978-03-18 De Beers Ind Diamond Method of and apparatus for measuring optical characteristics
JPS5378855A (en) * 1976-12-21 1978-07-12 Nec Corp Polygonal jewery identifying device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58728A (ja) * 1981-06-25 1983-01-05 Shimadzu Corp ダイヤモンドカラ−測定装置
JPS5830644A (ja) * 1981-08-14 1983-02-23 Ii R C:Kk 光軸を確定する方法
CN111788474A (zh) * 2017-12-29 2020-10-16 金展科技有限公司 钻石净度测量方法和系统
CN111788474B (zh) * 2017-12-29 2024-06-04 金展科技有限公司 钻石净度测量方法和系统

Also Published As

Publication number Publication date
NL189426B (nl) 1992-11-02
AU527834B2 (en) 1983-03-24
BE879290A (fr) 1980-04-09
NL7907348A (nl) 1980-04-11
AU5150579A (en) 1980-04-17
DE2940625A1 (de) 1980-06-04
CH644452A5 (en) 1984-07-31
FR2438837B1 (fr) 1983-02-25
NL189426C (nl) 1993-04-01
FR2438837A1 (fr) 1980-05-09
IL58344A (en) 1983-09-30
ZA795228B (en) 1980-09-24

Similar Documents

Publication Publication Date Title
JPS54111720A (en) Method of indicating color
JPS5594108A (en) Method of estimating shape
GB2067197B (en) Method of obtaining phtalonitriles
JPS5598341A (en) Method of estimating color of jewel
JPS53128410A (en) Method of decorating
JPS54101540A (en) Method of making heatttransfer member
JPS54109034A (en) Method of casting
JPS54152533A (en) Method of making presseddflower picture
GB2021460B (en) Method of casting
JPS5499191A (en) Method of coloring alphaacyanoacrylate
JPS54154963A (en) Method of estimating default
JPS54103217A (en) Method of making frame
GB2031163B (en) Method of testing
JPS54156692A (en) Method of measuring saccharoid
JPS54120032A (en) Method of making case
JPS54120031A (en) Method of making case
JPS5581113A (en) Method of making cuttinggoff groove
JPS54136880A (en) Method of attaching thermocouple
SU896875A1 (ru) Способ получения 8-бромаденина
SU1086717A1 (ru) Способ получения п-изопропоксибензальдегида
PL110299B2 (en) Method of obtaining 2-methoxy-4-chloro-phenol
BG27777A1 (en) Method of obtaining of diatetic product- yoghourt
BG27949A1 (en) Method of obtaining of 2-azetidinons
BG27797A1 (en) Method of obtaining of kermet for magnetic-abrasive poliching
JPS54113638A (en) Surface coloring method of allminum or alloy thereof