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Pharmacosiderite

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SKY944839

Pharmacosiderite

Rare Mineral

Description Tabs

Description
Locality: 
Sophie Mine, Gosenbach, Siegen, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2 × 1.3 cm
Description

Small green pseudocubic crystal of the mineral pharmacosiderite in matrix from Germany.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Mineral Data
What's on the rock

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

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