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Calcioburbankite Burbankite & Thomasclarkite-(Y)

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SYM861062

Calcioburbankite Burbankite & Thomasclarkite-(Y)

Type Locality

Description Tabs

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

Very nice combination of calcioburbanite, with burbankite and yellow thomasclarkite on the matrix. 

Mineral Data
What's on the rock

Calcioburbankite

Formula: 
Na3(Ca,REE,Sr)3(CO3)5
Strunz: 
5.AC.30
Crystal System: 
Hexagonal
Hardness: 
3.0 - 4.0
Streak: 
White
Type Locality: 
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Burbankite

Formula: 
(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
Strunz: 
5.AC.30
Crystal System: 
Hexagonal
Hardness: 
3.5
Type Locality: 
Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mts, Hill Co., Montana, USA

Thomasclarkite-(Y)

Formula: 
(Na,Ce)(Y,REE)(HCO3)(OH)3·4H2O
Strunz: 
5.DC.20
Crystal System: 
Monoclinic
Hardness: 
2.0 - 3.0
Type Locality: 
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada