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Chalcedony Psm Calcite & Siderite

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MGR875388

Chalcedony Psm Calcite & Siderite

Classic Locality

Description Tabs

Description
Locality: 
Hüttenberg, Sankt Veit an der Glan District, Carinthia, Austria
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
15.5 × 13 × 6 cm
Description

This material is more and more rare to see. Chalcedony after calcite and side√rite. The colour is truely fantastic at this specimen and the quality is amazing!

Mineral Data
What's on the rock

Chalcedony

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Kadıköy (Chalcedon), Istanbul Province, Marmara Region, Turkey

Calcite

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

Siderite

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