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Scorodite On Arsenopyrite

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MMM38585

Scorodite On Arsenopyrite

Description Tabs

Description
Locality: 
Wheal Pendarves, Troon, Cornwall, United Kingdom
Size Range: 
Small cabinet (7-10 cm)
Size: 
4 × 7 × 3 cm
Description

A 2 cm cavity lined with bright blue scorodite crystals to 3 mm in arsenopyrite matrix with micro crystalline pharmacosiderite.

A rare location specimen from the now flooded Pendarves Mine.

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

Arsenopyrite

Formula: 
FeAsS
Strunz: 
2.EB.20
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0