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Goethite Psm Gypsum

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CLB617916

Goethite Psm Gypsum

seller's own collection
Pseudomorph

Description Tabs

Description
Locality: 
Lavrion District Mines, Attiki Prefecture, Greece
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.8 × 5 × 2 cm
Description

Very beautiful, iridescent goethite replacing gypsum crystals. Partly hollow casts. The iridescence is spectacular with green, golden and red hues.

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

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.

Seller Information

Payment options: offline, paypal_wpp, paypal_wps