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Rosasite & Hemimorphite

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MMM33201

Rosasite & Hemimorphite

Description Tabs

Description
Locality: 
Ojuela Mine, Mapimi, Durango, Mexico
Size Range: 
Small cabinet (7-10 cm)
Size: 
4 × 8 × 3.5 cm
Description

Fibrous spheres of blue rosasite on crystalline hemimorphite with minor malachite on limonite matrix.

Pretty specimen.

Mineral Data
What's on the rock

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

Hemimorphite

Formula: 
Zn4Si2O7(OH)2·H2O
Strunz: 
9.BD.10
Hardness: 
4.5 - 5.0
Streak: 
White
Type Locality: 
Băiţa Mining District (Baita Bihor; Rézbánya), Nucet, Bihor Co., Romania