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Pharmacosiderite

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A miniature characteristic specimen of iron oxide/Quartz gossan loaded with cavities lined with intergrown cubic green crystals of Pharmacosiderite. From Wheal Unity, St. Day, Cornwall

Product details

SpeciesPharmacosiderite
SizeSmall Cabinet
Dimensions4.8 x 5.5 x 3.0 cm
Added on03/04/2026
LocalityUK, England, Wheal Unity
Current owner
Unknown Owner
Acquired
Jul 2026
Price paid
$75.00
Previous owners
DateCollectorAcquisition price
—Crystal ClassicsNot disclosed

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Pharmacosiderite
Mineral guide
Learn about Pharmacosiderite
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Pharmacosiderite
Regional guide
Pharmacosiderite from Wheal Unity
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Locality guide
Wheal Unity
Wheal Unity, Cornwall — oxidized copper-arsenate minerals on quartz; prized for the old Cornish look, fibrous olivenite textures, and its historic collecting l…