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Goethite Psm Siderite

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SLN640235

Goethite Psm Siderite

Description Tabs

Description
Locality: 
Mount Malosa, Zomba, Southern Region, Malawi
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.2 × 6.5 × 6.1 cm
Largest Crystal: 
2.50cm
Weight: 
140.00gr
Description

Particular and aesthetic specimen from Mount Malosa of goethite psm siderite in big perfect crystals up to 2.5 X 2.2 cm associated with creamy ortochlase

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

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White

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