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Serpierite Adamite Rosasite & Gypsum

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AST180802

Serpierite Adamite Rosasite & Gypsum

Type Locality

Description Tabs

Description
Locality: 
Serpieri Mine, Kamariza, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3.5 × 1.7 cm
Description

Old and unusual combination of acicular sky blue serpierite crystals with dark green Cu adamite and a lighter green mineral (lower half of the specimen) that is probably rosasite.Part of this light green mineral is enclosed in a thin transparent gypsum layer seen under magnification.

Mineral Data
What's on the rock

Serpierite

Formula: 
Ca(Cu,Zn)4(SO4)2(OH)6·3H2O
Strunz: 
7.DD.30
Crystal System: 
Monoclinic
Hardness: 
2.0
Type Locality: 
Serpieri Mine, Kamariza Mines (Kamareza Mines), Agios Konstantinos [St Constantine] (Kamariza), Lavrion District Mines, Lavrion District (Laurion; Laurium), Attikí Prefecture (Attica; Attika), Greece

Adamite

Formula: 
Zn2(AsO4)(OH)
Strunz: 
8.BB.30
Crystal System: 
Orthorhombic
Hardness: 
3.5
Streak: 
white
Type Locality: 
Chañarcillo, Copiapó Province, Atacama Region, Chile

Rosasite

Formula: 
(Cu,Zn)2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Rosas Mine, Narcao, Carbonia-Iglesias Province, Sardinia, Italy

Gypsum

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

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