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Tumchaite

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BCK649863

Tumchaite

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.1 × 1.5 cm
Description

You are bidding on a small sample with a few groups of bladed, compact tumchaite crystals. This is an unusual habit for the species, but according to the label the sample was verified by G. Chao, collected by M. Weber, and given to WAH. WAH collection and mount. 

Mineral Data
What's on the rock

Tumchaite

Formula: 
Na2Zr(Si4O11)·2H2O
Strunz: 
9.EA.60
Crystal System: 
Monoclinic
Hardness: 
4.5
Streak: 
White
Type Locality: 
Vuoriyarvi alkaline-ultrabasic massif, Northern Karelia, Murmanskaja Oblast', Northern Region, Russia...

Seller Information

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