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Telluronevskite & Nevskite

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MNR853859

Telluronevskite & Nevskite

Rare Mineral
Type Locality

Description Tabs

Description
Locality: 
Poruba pod Vihorlatom, Michalovce County, Košice Region, Slovakia (Slovak Republic)
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.8 × 4.5 × 3.6 cm
Largest Crystal: 
0.50cm
Description

Excellent sample of telluronevskite with nevskite, a bismuth and tellurium selenide, forming irregular aggregates. The brightness indicates the Te content. The only and type locality for the species. Extremely rich sample, collected in 2001.

 

Mineral Data
What's on the rock

Telluronevskite

Formula: 
Bi3TeSe2
Strunz: 
2.DC.05
Crystal System: 
Trigonal
Hardness: 
3.5
Streak: 
Black
Type Locality: 
Poruba pod Vihorlatom, Michalovce Co., Košice Region, Slovakia

Nevskite

Formula: 
Bi(Se,S)
Strunz: 
2.DC.05
Crystal System: 
Trigonal
Hardness: 
3.0
Type Locality: 
Nevskoe W-Sn Deposit (Nevskoye; Nevskoje), Omsukchan, Ducat District, Kolyma River Basin, Magadanskaya Oblast', Far-Eastern Region, Russia...