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Azurite Malachite Gibbsite On Goethite Psm Gypsum

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AMP945008

Azurite Malachite Gibbsite On Goethite Psm Gypsum

Pseudomorph

Description Tabs

Description
Locality: 
Lavrion District Mines, Attiki Prefecture, Greece
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.1 × 1.8 cm
Weight: 
7.00gr
Description

Highly lustrous and glassy, deep blue color, numerous sharp Azurite microcrystals, formed over and all around a pseudomorph or more precisely a cast of Gypsum crystals on Goethite, together with Malachite and Gibbsite microcrystals, and minor Cuprite microcrystals as well

Mineral Data
What's on the rock

Azurite

Formula: 
Cu3(CO3)2(OH)2
Strunz: 
5.BA.05
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Chessy copper mines, Chessy-les-Mines, Le Bois d'Oingt, Rhône, Rhône-Alpes, France...

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

Gibbsite

Formula: 
Al(OH)3
Strunz: 
4.FE.10
Hardness: 
2.5 - 3.0
Streak: 
White
Type Locality: 
Richmond, Berkshire Co., Massachusetts, USA

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

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Seller's terms and conditions

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.

Return shipping will be paid by the buyer.