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Calcite & Gypsum

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MGR806545

Calcite & Gypsum

Classic Locality

Description Tabs

Description
Locality: 
Oberzeiring, Pölstal, Murtal District, Styria, Austria
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.3 × 7.5 × 4.8 cm
Description

Great old Austrian classic. Even a normal; common feather calcite is very rare and hard to obtain - this one shows the even more rare combination with gypsum, which developed snowy white, sparkling tiny crystals, which gives a really wonderful visual impact to the piece. No significant damages to report.

Mineral Data
What's on the rock

Calcite

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

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.