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Amethyst & Calcite

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KFT59684

Amethyst & Calcite

Description Tabs

Description
Locality: 
Seiseralm, Dolomiten, Trentino-Alto Adige, Italy
Size Range: 
Cabinet (10-18 cm)
Size: 
12.2 × 5.5 × 3.5 cm
Description

Glossy amethyst and calcite crystals in a geode.

Mineral Data
What's on the rock

Amethyst

Variety Of: 

Quartz

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

Calcite

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