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Plattnerite & Hemimorphite

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SER851742

Plattnerite & Hemimorphite

Description Tabs

Description
Locality: 
Dossena, Bergamo Province, Lombardy, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.5 × 1.5 cm
Description

brown black plattnerite needles on and with colourless hemimorphite

Mineral Data
What's on the rock

Plattnerite

Formula: 
PbO2
Strunz: 
4.DB.05
Crystal System: 
Tetragonal
Hardness: 
5.5
Type Locality: 
Leadhills, South Lanarkshire, Strathclyde (Lanarkshire), Scotland, UK

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