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Quartz On Siderite

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ATH575300

Quartz On Siderite

Description Tabs

Description
Locality: 
Hüttenberg, Sankt Veit an der Glan District, Carinthia, Austria
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
4.5 × 7 × 4.5 cm
Weight: 
195.00gr
Description

This quartz variation ("Hüttenberg amethyst") on siderite matrix is typical for the old and famous Hüttenberg mine in Austria.

The siderite matrix is very massive, the quarz is in good condition.

Mineral Data
What's on the rock

Quartz

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

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White

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