M.J. Hibbard

Aurichalcite

Aurichalcite   (Zn,Cu)₅(CO₃)₂(OH)₃    Monoclinic
o Supergene (low-T aqueous, weathering) zone in mineral deposit containing Cu and Zn. (chapter 13)
- Tuft-like fibrous clusters (blue-green) associated with encrusting druse of hemimorphite (white) [Zn₄Si₂O₇(OH)₂.H₂O] in lensoid rock cavity. Blue-green distinguishes this carbonate mineral from malachite (green) and azurite (blue).

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