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Goethite Psm Marcasite

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CLB190948

Goethite Psm Marcasite

Pseudomorph

Description Tabs

Description
Locality: 
Frank Hill, Budaörs, Budai Mountains, Pest County, Hungary
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 3.3 × 2 cm
Description

Beautiful, very sharp 'christmas-tree' marcasite crystals, replaced by goethite. New find of very good quality pseudomorph crystals, that can be compared to the best White Desert, Sahara, Egypt specimen.

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

Marcasite

Formula: 
FeS2
Strunz: 
2.EB.10a
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5

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