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Franconite & Mckelveyite-(Y)

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SHS1166630

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Description
Locality: 
Mont Saint-Hilaire, Montérégie, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.7 × 0.7 cm
Description

Franconite and mckelveyite y on matrix

Mineral Data
What's on the rock

Franconite

Formula: 
Na2Nb4O11·9H2O
Strunz: 
4.FM.15
Crystal System: 
Monoclinic
Hardness: 
4.0
Type Locality: 
Francon quarry, Montréal, Québec, Canada

Mckelveyite-(Y)

Formula: 
NaCaBa3Y(CO3)6·3H2O
Strunz: 
5.CC.05
Hardness: 
3.5 - 4.0
Type Locality: 
Diamond Alkali Daco No. 3, Green River Formation, Sweetwater Co., Wyoming, USA

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$8
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Start 15 Feb 18:00
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