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Calcite & Aragonite

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KFT78574

Calcite & Aragonite

Description Tabs

Description
Locality: 
Schwarzenberg Quarry, Katsch an der Mur, Murau District, Styria, Austria
Size Range: 
Cabinet (10-18 cm)
Size: 
12.5 × 6 × 3.8 cm
Description

Great specimen of rouned yellow calcite on a matrix of tiny aragonite crystals. The calcite is undamaged! It is an old find from the Katsch quarry.

Mineral Data
What's on the rock

Calcite

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

Aragonite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.15
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Type Locality: 
Gallo river, Molina de Aragón, Guadalajara, Castile-La Mancha, Spain