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Calcite & Siderite On Fluorite

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DLG762368

Calcite & Siderite On Fluorite

Floater

Description Tabs

Description
Locality: 
Boltsburn Mine, Rookhope, Weardale, County Durham, United Kingdom
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.3 × 5.6 × 2.1 cm
Description

Cubes of gray-green fluorite up to 17 mm in size, on which calcite is on one side and siderite is on the other. On the side with siderite there are small cubes of fluorite of the second generation. The piece does not have a point of attachment to the rock. There are a few minor contacts.

Mineral Data
What's on the rock

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

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

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

All according to auction rules.If you have questions, or you still want additional photos of minerals, please write.I will try to make sure that you are satisfied with your purchase. For this:
-I will not use any software products to embellish the sample;
-maximum accurately report the size of the sample;
-to measure my knowledge and experience and according to my opinion, honestly make a description.

If you do not like the sample, then I'm ready to give you money back. But, please note that you must inform me of your intentions to return the item, not later than 5 days after its receipt. Otherwise I will consider the transaction to be complete. Return shipping of the item is paid by the buyer. The item must be sent in the same condition as it was received. The buyer is responsible for the return shipping.