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Sosedkoite & Thoreaulite

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JYJ699507

Sosedkoite & Thoreaulite

Description Tabs

Description
Locality: 
Ognevka Deposit, Ulan, Kalba Range, Eastern Kazakhstan Province, Kazakhstan
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 1.1 × 0.8 cm
Description

Canary yellow thoreaulite with white sosedkoite. Ex M. Murashko specimen. 

Mineral Data
What's on the rock

Sosedkoite

Formula: 
(K,Na)5Al2(Ta,Nb)22O60
Strunz: 
4.DM.05
Hardness: 
6.0
Type Locality: 
Vasin-Myl'k Mt, Voron'i Tundry, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Thoreaulite

Formula: 
(Sn2+,Pb)(Ta,Nb)2O6
Strunz: 
4.DG.15
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0
Type Locality: 
Manono Mine, Katanga (Shaba), Democratic Republic of Congo (Zaïre)