Oval shaped blue and gray semi precious gemstone K2 Azurite Granite designer matched pair cabochons for earrings 23.5 mm long by 16.5 mm wide and 3.5 mm thick.
These cabochons weigh 10 carats each.
This semi precious gemstone cabochon material known as K2 or K2 Azurite Granite.
It is highly unusual to find a copper mineral (Azurite) in a granite rock. It is believed the granite formed first and then the Azurite crystallized within the granite grains.
This gorgeous gemstone cabochon material is coming from northern Pakistan. K2 Azurite Granite rough rock was mined at the base of the second highest mountain in the world, K2, which is second in height only to Mt. Everest.
Cabochons are stones cut for jewelry and are measured in mm. One inch is equal to about 25 mm.