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Gypsum On Romanèchite Psm Gypsum

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AMP915212

Gypsum On Romanèchite Psm Gypsum

Pseudomorph

Description Tabs

Description
Locality: 
Lavrion District Mines, Attiki Prefecture, Greece
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
17.5 × 11 × 9.5 cm
Weight: 
787.00gr
Description

Heavy Gypsym crystallization over a pseudomorph of Romanechite after a cluster of Gypsym crystals in the first place. The first crystallization seems to have occured around one rode-like circular and elongated likely Goethite formation. High quality specimen with a very impressive formation, typical form the classic locality

Mineral Data
What's on the rock

Gypsum

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

Romanèchite

Formula: 
(Ba,H2O)2Mn5O10
Strunz: 
4.DK.10
Hardness: 
5.0 - 6.0
Type Locality: 
Manganese deposit, Romanèche-Thorens, La Chapelle-de-Guinchay, Saône-et-Loire, Burgundy, France

Seller Information

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