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Quartz On Dolomite

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BMM609773

Quartz On Dolomite

Floater

Description Tabs

Description
Locality: 
Weißeck Area, Murwinkel, Lungau, Salzburg, Austria
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.5 × 8 × 4.7 cm
Description

Translucent and lustrous needle quartz on big bright dolomite crystals.  Very rare from this location, and the size is extraordinary. A found by Reinhold Bacher from 2006. A floater-piece with no visible damage to report.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White