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Chalcedony & Siderite

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RBR99292

Chalcedony & Siderite

Description Tabs

Description
Locality: 
Bad Bleiberg, Villach-Land District, Carinthia, Austria
Size Range: 
Cabinet (10-18 cm)
Size: 
12.5 × 8 × 6 cm
Description

This specimen is out of a historic, closed mining area in Carinthia. Light blue chalcedonia with beautiful satiny luster is covering siderite crystals. Rare and uncommon material from a classic locality.

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

Siderite

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

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