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Sosedkoite

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JYJ725922

Sosedkoite

Description Tabs

Description
Locality: 
Ognevka Deposit, Ulan, Kalba Range, Eastern Kazakhstan Province, Kazakhstan
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 2 × 1 cm
Description

Colourless sosedkoite associated with other Ta bearing species. Ex. M. Murashko material. 

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...