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Quartz & Siderite

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MGR671542

Quartz & Siderite

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Description
Locality: 
Medel Valley, Grischun, Switzerland
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
13.2 × 5.8 × 4.2 cm
Description

The specimen is developed as floater. At the top you can see a double-terminated, sharp, water-clear, lustrous rock crystal with an amazing habit. In the centre there are several intergrown quarz crystals, the are also sharp terminated and lustrous, but they show chlorite phantoms. The specimen is framed with well-shaped, partly glossy, dark red-brown siderite crystals. Tiny snowy white adularia crystals are scattered all over and help to give even more contrast to this very aesthetic dramatic speciemn. No significant demages to report.

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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10
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Start 08 Sep 18:00
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Shipping Information

Postage Area Price
Austria 5
5
Europe 14
14
North America 16
16
Rest of World 19
19

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