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Smithsonite Malachite & Quartz

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SER540661

Smithsonite Malachite & Quartz

Description Tabs

Description
Locality: 
Giglio Island, Grosseto Province, Tuscany, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 2.4 × 2.1 cm
Description

A cluster of quartz crystals that hosts apple green smithsonite and green malachite; self collected on 1999

Mineral Data
What's on the rock

Smithsonite

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

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White