A bright green mineral consisting of hydrated basic copper carbonate, which typically occurs in masses and fibrous aggregates.
- Other secondary copper minerals associated with the chrysocolla are malachite, cuprite, and tenorite.
- Nowadays it is often found with malachite, a green copper carbonate.
- Some of the most attractive contain spraylike aggregates of velvety malachite in and on lustrous blue-black azurite crystals.
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