Aurichalcite

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Aurichalcite

Golconda mine, Brassington, Derbyshire, England

Reference: 1523

Small but rich specimen from Golconda mine, Derbyshire which produced some of the best British aurichalcite. The display face has a mix of stellate aurichalcite crystals and brownish bladed hemimorphite. This specimen was collected in the 1980's, ex Alan Wardman collection.

Formula: Aurichalcite (Zn,Cu)₅(CO₃)₂(OH)₆; Hemimorphite Zn₄Si₂O₇(OH)₂^.H₂O