File:Diamond-diamond macle1.jpg

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Summary

Description
English: Diamond
Locality: South Africa (Locality at mindat.org)
Size: thumbnail, 1.5 x 1.5 x 0.4 cm
Diamond (Macle twinned)
This rare twinned diamond crystal is not only stunning, but is also rather thick at 4.2 mm in thickness, to have such clarity. It is twinned in a formation called "macle twinning", more common in spinels and quite rare in other gem species. The result is that instead of looking octahedral, it looks like a sharp triangle. It is exceptionally clean throughout, with only a few extremely slight carbon inclusions; and you could call it gemmy and literally mean "gemmy" when you say it. The triangular form is unusually equant for a stone of this size, and it "looks" naturally cut. In fact, a recent vogue in jewelry is to wear such natural diamonds in fancy settings, without cutting and faceting them. This could be one such showpiece, if mounted in a setting. It certainly is the biggest diamond of any quality that I have seen for available on the open market as a specimen in the 3 years or so since I last had one of these crystals. The specimen is 9.94 carats.
Deutsch: Diamant
Fundort: Südafrika (Fundort bei mindat.org)
Größe: 1.5 x 1.5 x 0.4 cm
Date before March 2010
date QS:P,+2010-03-00T00:00:00Z/7,P1326,+2010-03-00T00:00:00Z/10
Source Image: http://www.irocks.com/db_pics/new09mix/diamond_macle1.jpg, Description: http://www.mindat.org/photo-271379.html
Author
Robert M. Lavinsky  (1972–)  wikidata:Q56247090
 
Alternative names
Robert Matthew Lavinsky; Lavinsky, Robert M.; Lavinsky R M
Description American mineral collector and mineral dealer
iRocks.com (Mineralogical Record)
Date of birth 13 December 1972 Edit this at Wikidata
Location of birth Columbus Edit this at Wikidata
Authority file
creator QS:P170,Q56247090
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Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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current22:16, 26 May 2010Thumbnail for version as of 22:16, 26 May 2010800 × 743 (144 KB)RKBot== {{int:filedesc}} == {{Information |Description= {{en|1=Diamond :: Locality: South Africa ([http://www.mindat.org/loc-14468.html Locality at mindat.org]) :: Size: thumbnail, 1.5 x 1.5 x 0.4 cm ::;Diamond (Macle twinned) :: Thi
18:49, 24 May 2010Thumbnail for version as of 18:49, 24 May 2010800 × 743 (144 KB)RKBot== {{int:filedesc}} == {{Information |Description= {{en|1=Diamond :: Locality: South Africa ([http://www.mindat.org/loc-14468.html Locality at mindat.org]) :: Size: thumbnail, 1.5 x 1.5 x 0.4 cm ::;Diamond (Macle twinned) :: Thi

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