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Quartz Var Amethyst

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ESM531881

Quartz Var Amethyst

Description Tabs

Description
Locality: 
Volk Island, Lake Onega, Karelia Republic, Russian Federation
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 2.8 × 1.8 cm
Description

A cluster of amethyst crystals with hematite inclusions on matrix

 

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