Aurichalcite |
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Crystal system: Orthorhombic (crystal form usually needles or finely foliated crystals).
Aurichalcite is a secondary mineral formed in the oxydation zones of copper and
zinc deposits. It is found in association with other zinc minerals hydrozincite,
smithsonite and hemimorphite. Occurrence is rare. Particularly fine crystalline
specimens are found at Lavrion in Greece. The name derives from the ancient Greek
for 'mountain copper' (oros = mountain, chalcos = copper); the
spelling of 'oros' no doubt having been corrupted to 'auri' over time.
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