AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Guinea > Diamond (9.72 carat brown macle, twinned crystal)

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

Diamond (9.72 carat brown macle, twinned crystal) from Mandala River, Guinea

 
Diamond (9.72 carat brown macle, twinned crystal) from Mandala River, Guinea

Diamond (9.72 carat brown macle, twinned crystal) from Mandala River, Guinea

DESCRIPTION:No. 39400
Mineral:Diamond (9.72 carat brown macle, twinned crystal)
Locality:Mandala River, Guinea
Description:Exceptionally large diamond crystal (15 mm on each edge!!!) with triangular shape due to Spinel-law twinning - a macle (= twin). The diamond has brown color around the edges and less color in the center. The faces are smooth with trigons in the middle.
Overall Size:15x14x5 mm
Crystals:15 mm
Archived: For reference only

 

 

 

 

 

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