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Smoky Quartz Quartz

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TBM1021555

Smoky Quartz Quartz

Classic Locality

Description Tabs

Description
Locality: 
Monteriggioni, Siena Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
6 × 7.5 × 4 cm
Largest Crystal: 
2.00cm
Weight: 
164.00gr
Description

Very nice black biterminated Quartz crystal up to 20 mm with little developed prism.  This type of morion Quartz is charatteristic of this quarry

Mineral Data
What's on the rock

Quartz

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

Smoky Quartz

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
SiO2
Hardness: 
0.0