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Scorodite & Pharmacosiderite

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ESM868651

Scorodite & Pharmacosiderite

Description Tabs

Description
Locality: 
Clara Mine, Oberwolfach, Freiburg Region, Baden-Württemberg, Germany
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1 × 0.5 cm
Description

Clusters of lustrous pale blue scorodite crystals with brown pharmacosiderite crystals on matrix  ( For original close-up photo contact us )

Mineral Data
What's on the rock

Scorodite

Formula: 
Fe3+AsO4·2H2O
Strunz: 
8.CD.10
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.0
Type Locality: 
Stamm Asser Mine, Graul, Langenberg, Schwarzenberg District, Erzgebirge, Saxony, Germany

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