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Goethite Psm Pyrite

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TBM1003976

Goethite Psm Pyrite

Classic Locality

Description Tabs

Description
Locality: 
Boccheggiano Mines, Montieri, Grosseto Province, Tuscany, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 6 × 2.5 cm
Largest Crystal: 
1.60cm
Weight: 
206.00gr
Description

Cluster of shiny striated crystals of  limonite pseudomorph on Pyrite up to 16 mm side

Mineral Data
What's on the rock

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5