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Polybasite

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MNT61722

Polybasite

Ex Dr F Krantz (Bonn Germany)
Classic Locality

Description Tabs

Description
Locality: 
Enterprise Mine, Newman Hill, Dolores County, Colorado, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 1.6 × 0.8 cm
Description

Greyish aggregate of a sulfide ore mineral that came with only one label identifying it as polybasite from the Enterprise mine in the US. The specimens are probably from the early to mid 20th century.

Mineral Data
What's on the rock

Polybasite

Formula: 
[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Strunz: 
2.GB.15
Crystal System: 
Monoclinic - Prismatic
Hardness: 
2.5 - 3.0
Streak: 
black

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