A Rare and Special 13.03 ct Cobaltocalcite

Calcite is a mineral that is treasured by collectors for its fascinating diversity. 

Some time ago we acquired some unusual specimens from the estate of a collector who had travelled the world acquiring rare minerals. Among them were some large gemmy crystals in a vivid reddish purple.

We faceted several pieces and were delighted with the color saturation and translucency. The cut stones displayed a wonderful glow when backlit. One of these gems has been certified by The Gemological Institute of America (GIA) as Cobaltocalcite, a rare calcite colored by traces of cobalt. In addition, GIA has issued a special letter identifying this as a notable gemstone.

For more information, see our article on Rare Gem Cobaltocalcite

 

GIA Notable Letter 13.03 ct Cobaltocalcite

 

13.03 ct Cobaltocalcite GIA Certificate

 
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