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Kogarkoite & Thermonatrite

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BCK513841

Kogarkoite & Thermonatrite

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Massive/Crystalline
Size Range: 
Micromount (under 1cm)
Size: 
0.9 × 0.5 × 0.7 cm
Description

You are bidding on a pale blue odd mass of very rare kogarkoite from the Poudrette Quarry. This is a very rare mineral and is from material collected by Gilles Haineault. The voids in the kogarkoite are lined with white thermonatrite.

Mineral Data
What's on the rock

Kogarkoite

Formula: 
Na3(SO4)F
Strunz: 
7.BD.15
Hardness: 
3.5
Type Locality: 
Alluaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Thermonatrite

Formula: 
Na2CO3·H2O
Strunz: 
5.CB.05
Crystal System: 
Orthorhombic
Hardness: 
1.0 - 1.5

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