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Rosasite & Hemimorphite

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CHP1167624

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Description
Locality: 
Olgas Mine, Castelo Branco, Mogadouro, Bragança District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 3.5 × 2.7 cm
Description

specimen with some sky-blue crystalline balls of rosasite on colourless aggregates of crystals of hemimorphite on matrix.

c. B729

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

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25
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Start 21 Feb 18:00
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Postage Area Price
Italy
10
Europe
12
World
14

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