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Hercynite & Biotite

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Hercynite & Biotite

Description Tabs

Description
Locality: 
Kukisvumchorr Mountains, Khibiny Massif, Murmansk Oblast, Russian Federation
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 2.5 × 2 cm
Description

Matrix with lustrous dark brown biotite mica and dark, but frequently iridescent hercynite. A minor amount of a pink mineral is also present which may be ussingite.

Mineral Data
What's on the rock

Hercynite

Formula: 
Fe2+Al2O4
Strunz: 
4.BB.05
Hardness: 
7.5
Type Locality: 
Poběžovice (Ronsperg; Ronsberg; Ronsperk), Plzeň Region, Bohemia (Böhmen; Boehmen), Czech Republic

Biotite

Group Parent: 
Mica Group

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

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. 

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