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Marcasite & Dolomite

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CSW161757

Marcasite & Dolomite

Description Tabs

Description
Locality: 
Matfen, Newcastle-upon-Tyne, Tyne & Wear, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 5.5 × 3.5 cm
Description

Matrix with one face showing lots of small, brass coloured marcasite crystals on dolomite crystals from a very rare Northumberland locality.

Mineral Data
What's on the rock

Marcasite

Formula: 
FeS2
Strunz: 
2.EB.10a
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

Seller Information

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Seller's terms and conditions

Thank you for viewing my auctions. It goes without saying that maintaining high standards in both specimen quality and customer service are extremely important to me. If for any reason you are not happy with any aspect of your transaction then please let me know as soon as possible, ideally within 1 week of receiving your specimen. I will happily do all in my power to resolve the situation to your satisfaction. If your specimen is damaged upon delivery simply send me some photos to verify this and I'll provide you with a full refund or a replacement specimen, whichever you prefer.