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Calciotantite

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SKY827600

Calciotantite

Type Locality

Description Tabs

Description
Locality: 
Ungursai, Irtysh River, Kalba Range, Eastern Kazakhstan Province, Kazakhstan
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 2 × 1.5 cm
Description

White crystals of the very rare tantalum mineral calciotantite (labeled as ungursaite in the plastic box) from one of the few localities known worldwide, associated to minoritary thoreaulite.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Mineral Data
What's on the rock

Calciotantite

Formula: 
CaTa4O11
Strunz: 
4.DJ.05
Hardness: 
6.5
Type Locality: 
Vasin-Myl'k Mt, Voron'i Tundry, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

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