Epidote Psilomene Dendritic Onyx

Epidote psilomene dendritic onyx is a Heather Canyon limited edition exclusive. This onyx is green epidote with black dendritic psilomene. Some pieces have red cuprite and orange marble, making each piece unique.

This onyx is from southwestern Utah near a copper mine. The onyx forms when magma fluids rich in metals including copper interacted with the surrounding limestone carbonate. This produces a variety of minerals with various amounts of copper, silica, and carbonate. Epidote has a high amount of silica, indicating that it formed closer to the magma.

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