Pharmacosiderite

$250.00

$40.00 shipping
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Tucson, Arizona, USA

7,574 for sale·132 sold

Pharmacosiderite is a hydrated basic ferric arsenate whose type locality is the nearby mine, Wheal Gorland. This specimen is from the St. Day United Mines which lay just a little east of Wheal Gorland, Unity and Muttrall and incorporated old mines such as Poldice and Crofthandy. This small miniature is a typical gossan ore, rich in dark grey to black tarnished sulphides, with vuggy surfaces entirely lined with deep apple-green cubic crystals of Pharmacosiderite. A nice, rich specimen from probably the most famous and esteemed mining district in Cornwall.\n