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Zincobriartite Velikite & Kësterite

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JYJ858604

Zincobriartite Velikite & Kësterite

SEM-EDS confirmed/polished section

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.6 × 0.4 cm
Description

SEM-EDS confirmed polished section with zincobriartite and kesterite in the core of the kesterite group inclusions and outer rim of velikite and the Ge analogue of velikite. The phase was also confirmed by Raman spectroscopy. 

Comes with more than 10 pages printed analytical material. 

Rare mineral. 

!!! There is no shipping until 20.08.21. Combined shipping is possible !!!

Mineral Data
What's on the rock

Zincobriartite

Formula: 
Cu2(Zn,Fe)(Ge,Ga)S4
Group Parent: 
Stannite
Crystal System: 
Tetragonal
Type Locality: 
Prince Leopold Mine, Kipushi, Katanga, Democratic Republic of the Congo

Velikite

Formula: 
Cu2HgSnS4
Strunz: 
2.CB.15a
Hardness: 
4.0
Colour: 
Dark gray
Type Locality: 
Khaidarkan Sb-Hg deposit (Chaidarkan), Fergana Valley, Alai Range (Alay Range), Osh Oblast, Kyrgyzstan

Kësterite

Formula: 
Cu2(Zn,Fe)SnS4
Strunz: 
2.CB.15a
Hardness: 
4.5
Streak: 
Black
Type Locality: 
Këster Deposit (Kester Deposit), Arga-Ynnakh-Khaya granite Massif, Yana-Adycha Region, Yana River Basin, Verkhoyansk, Sakha Republic (Saha Republic; Yakutia), Eastern-Siberian Region, Russia
Analysis
Analysis Report - only: Zincobriartite Velikite & Kësterite
Analysis Report - only: Zincobriartite Velikite & Kësterite
Analysis Report - only: Zincobriartite Velikite & Kësterite
Analysis Report - only: Zincobriartite Velikite & Kësterite
Analysis Report - only: Zincobriartite Velikite & Kësterite