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Tyrrellite & Berzelianite

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Tyrrellite & Berzelianite

Analysed

Description Tabs

Description
Locality: 
Bukov Mine, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 0.6 × 0.6 cm
Description

Small but rich specimen of very rare ~bronze inclusions of Tyrrellite - Se analogue of Carrollite from Spinel Supergroup with unique combination of elements - in blueish, metallic Berzelianite from well known Bukov Mine (Czech Republic). Analysed by S. Mockel.

Mineral Data
What's on the rock

Tyrrellite

Formula: 
Cu(Co3+,Ni3+)2Se4
Strunz: 
2.DA.05
Hardness: 
3.5
Colour: 
Bronze
Streak: 
Black
Type Locality: 
Eagle Claims U-Cu-Se Occurrence, Eagle shaft area, Melville Lake, Goldfields District, Beaverlodge Region, Saskatchewan, Canada

Berzelianite

Formula: 
Cu2Se
Strunz: 
2.BA.20
Crystal System: 
Isometric
Hardness: 
2.0
Streak: 
Shining
Type Locality: 
Skrikerum Mine (Skrickerum Mine), Valdemarsvik, Östergötland, Sweden

Seller Information

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Seller's terms and conditions

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