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Quartz With Calcite

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TBM1038762

Quartz With Calcite

Classic Locality

Description Tabs

Description
Locality: 
Gioia Quarries, Carrara, Massa-Carrara Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
5 × 8 × 4 cm
Largest Crystal: 
1.80cm
Weight: 
131.00gr
Description

Very nice diamond Quartz crystals up to 18 mm with Calcite crystals up to 25 mm  on white marble matrix

Mineral Data
What's on the rock

Quartz

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White