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Romanèchite Psm Gypsum

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AMP944934

Romanèchite Psm Gypsum

Pseudomorph

Description Tabs

Description
Locality: 
Lavrion District Mines, Attiki Prefecture, Greece
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
13.5 × 13.5 × 8 cm
Largest Crystal: 
5.50cm
Weight: 
920.00gr
Description

Beautiful pseudomorph, classic for the locality, from older finds, of dark brownish to black color plum-like formation of Goethite after Gypsum crystals, on gossan matrix, rich also in Calcite microcrystals, visible on the crystals and on the sides of the specimen, near the matrix

Mineral Data
What's on the rock

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

Gypsum

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

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Items purchased and, for any reasons do not meet your requirements can be returned and you will be fully refund.

For that you can send us an email describing the problem within 7 days after receiving the item.

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