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Fluorite With Siderite

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MGR1164085

Description Tabs

Description
Locality: 
Boltsburn Mine, Rookhope, Weardale, County Durham, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11.2 × 10.2 × 7.2 cm
Description

The main crystal in the center is 50 mm on edges. It is a penetration twin, it shows fine luster and high translucency. The photo shows the specimen under daylight and expose the daylight-fluorescence. Some areas are partly covered with dark brown Siderite aggregates. Ex Robert Brandstätter coll.

Mineral Data
What's on the rock

Fluorite

Formula: 
CaF2
Strunz: 
3.AB.25
Crystal System: 
Isometric
Hardness: 
4.0
Streak: 
White
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

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 31 Jan 18:00
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Shipping Information

Postage Area Price
Austria 7 (up to 1kg)
7
EU 18 (up to 1kg)
18
Rest of Europe 20 (up to 1kg)
20
North America and Japan 27 (up to 1kg)
27
Rest of World 32 (up to 1kg)
32

Bid History

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