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Bismutite Psm Wittichenite

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MNT637937

Bismutite Psm Wittichenite

ex R. Ressel (GER)
Classic Locality

Description Tabs

Description
Locality: 
Hechtsberg Quarry, Hausach, Freiburg Region, Baden-Württemberg, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 2 × 1.5 cm
Description

Got this sample these days in a lot with some other Black Forest material: labeled to be bismutite (with pers. comm. psm after wittichenite). Usually the ID of that source is quite good but i did not analyze the specimen. Greenish to yellowish earthy masses with the form of the former sulfide. Interesting specimen from a quarry that has become famous for a local bismuth mineralization in the 1970s.

Mineral Data
What's on the rock

Bismutite

Formula: 
(BiO)2CO3
Strunz: 
5.BE.25
Crystal System: 
Tetragonal
Hardness: 
2.5 - 3.5
Streak: 
Grey
Type Locality: 
Arme Hilfe Mine, Ullersreuth, Hirschberg, Vogtland, Thuringia, Germany

Wittichenite

Formula: 
Cu3BiS3
Strunz: 
2.GA.20
Crystal System: 
Orthorhombic Prismatic crystals or masses
Hardness: 
2.0 - 3.0
Streak: 
Black
Type Locality: 
Wittichen, Schenkenzell, Black Forest, Baden-Württemberg, Germany

Seller Information

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Seller's terms and conditions

Terms & Conditions

Thank you for your interest in my offers! Payment is possible via Paypal, bank transfer or cash if you pick up the item(s) personally. Bank data will be provided after settling the auction/transaction(s) if needed.

In case you are not happy with a specimen, you may send it back within 4 weeks. After receipt, i will refund the price minus shipping costs. Please inform me before sending an item back. If you have any questions (or maybe complaints) please feel free to contact me.

Best regards Roger