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Quartz Var Amethyst

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TBM982026

Quartz Var Amethyst

Classic Locality

Description Tabs

Description
Locality: 
Capurru Quarry, Osilo, Sassari Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.5 × 3 cm
Weight: 
57.00gr
Description

Very sharp Amethyst crystals to 14 mm side  with excellent color, brilliance and transparency. Those specimens are among the best from this locationup

Mineral Data
What's on the rock

Quartz

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

Amethyst

Variety Of: 

Quartz

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