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Rock Crystal & Calcite

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MGR675803

Rock Crystal & Calcite

Description Tabs

Description
Locality: 
Grieswies, Hüttwinkl Valley, Rauris, Salzburg, Austria
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.4 × 6.6 × 7.9 cm
Description

A group of sharp terminated, water-clear and lustrous rock crystal on matrix! The crystals are growing in all directions, they show a thin glossy layer of iron oxyde. Some well developed calcite crystals are also present. Well formed, aesthetic assemble and in fine condition damage-wise.

Mineral Data
What's on the rock

Rock Crystal

Variety Of: 

Quartz

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

Calcite

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