Gemology Hub / Gems Hub / Minerals Hub

Thursday, March 11, 2021

Hydrothermal Process

 

Hydrothermal Process

Novosibirsk only (red).

1.   Extremely strong growth zoning (graining) parallel to the basal plane.

2.   Small, highly reflective crystals of a gold colour, consisting of copper alloys.

3.   Secondary healed fractures (fingerprints) believed to be liquid filled.





No comments: