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Hydrozincite & Smithsonite

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PDM829214

Hydrozincite & Smithsonite

Description Tabs

Description
Locality: 
Sardinia, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5 × 3.2 cm
Description

White crusts of hydrozincite and smithsonite on matrix, with some blueish fluorescence under long UV.

Acquired in 1995. Ex Dr. Bob Janssens specimen, #439.

Mineral Data
What's on the rock

Hydrozincite

Formula: 
Zn5(CO3)2(OH)6
Strunz: 
5.BA.15
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Streak: 
White
Type Locality: 
Bad Bleiberg, Bleiberg District, Gailtaler Alpen & Karnische Alpen, Carinthia, Austria

Smithsonite

Formula: 
ZnCO3
Strunz: 
5.AB.05
Hardness: 
4.0 - 4.5
Streak: 
White

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