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Arthurite & Pharmacosiderite

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CSW736573

Arthurite & Pharmacosiderite

Classic Locality

Description Tabs

Description
Locality: 
Majuba Hill Mine, Antelope, Pershing County, Nevada, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 2 × 2.6 cm
Weight: 
9.00gr
Description

Matrix with clusters of green acicular arthurite and cubic pharmacosiderite micro crystals.

Mineral Data
What's on the rock

Arthurite

Formula: 
CuFe3+2(AsO4)2(OH)2·4H2O
Strunz: 
8.DC.15
Crystal System: 
Orthorhombic
Hardness: 
3.0 - 4.0
Type Locality: 
Hingston Down Consols, Clitters United Mines, Gunnislake, Calstock, Callington District, Cornwall, England, UK

Pharmacosiderite

Formula: 
KFe3+4(AsO4)3(OH)4·6-7H2O
Strunz: 
8.DK.10
Hardness: 
2.5
Streak: 
white
Type Locality: 
Carharrack Mine, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK

Seller Information

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Seller's terms and conditions

Thank you for viewing my auctions. It goes without saying that maintaining high standards in both specimen quality and customer service are extremely important to me. If for any reason you are not happy with any aspect of your transaction then please let me know as soon as possible, ideally within 1 week of receiving your specimen. I will happily do all in my power to resolve the situation to your satisfaction. If your specimen is damaged upon delivery simply send me some photos to verify this and I'll provide you with a full refund or a replacement specimen, whichever you prefer.