Aurichalcite, Brochantite

Unknown Owner

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A very rich specimen of these secondary copper minerals for the locality. Usually both minerals occur as small acicular crystals or, worse yet as smears, stains, or blebs here and thus not as mineral specimens per se in their own right. This is a really rich piece though, with lighter blue-green aurichalcite over a rich massive growth of the brochantite. Harold self-collected this in 2003, when he was well into his late 70's. Ex. Harold Urish Collection.