Azurite in Granite-'K2 stone'

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Khaplu, Ghanche District, Gilgit-Baltistan, Pakistan

Reference: 2759

Discs of blue Azurite emplaced in a granite matrix along with a few wisps of green Malachite. Intriguing paragenesis with as yet no satisfactory explanation. Called K2 stone because the only known occurance of these specimens lies at the foot of the K2 mountain. Ex. Nick Hawes specimen.

Formulas: Azurite Cu₃(CO₃)₂(OH)₂; Malachite Cu₂(CO₃)(OH)₂