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Bismutite & Andradite

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ARM1020472

Bismutite & Andradite

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Description Tabs

Description
Locality: 
Kope, Šmartno pri Slovenj Gradcu, Carinthia Region, Slovenia
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3 × 1.6 cm
Weight: 
26.00gr
Description

A green-blue mineral has been newly discovered in Kope skarn complex on Pohorje Mountains in Slovenia. It forms as an alteration product of Bi-sufosalts that fill the pores between garnets of andradite-grossular series. It has been analyzed by EDS, showing that the mineral is most probably a bismuth carbonate, bismutite. It has a waxy luster and occurs in green-blue encrustations along fissures in garnet skarn. 

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

Andradite

Formula: 
Ca3Fe3+2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Drammen, Buskerud, Norway
Analysis
Analysis Report - only: Bismutite & Andradite

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Upon auction close, you will be sent an invoice indicating final value of the specimen. Payments must be made within 7 days of auction close. If you would like your package held for any reason please inform us when you prefer the shipment to be made, and we can make an arrangement.

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If are not happy with your purchase, we accept a return. You have a 10-day approval and right to return a specimen(s). Please notify us immediately, and send it back within the 10 days after the receipt. Once it has been received in the condition it was sent we will arrange a refund. If an item is not back with us after 15 days, it will be assumed that you are intending to keep the specimen and the transaction will become final.

For details see the e-rocks Terms and Conditions policy.