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Neighborite & Elpidite

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SYM127160

Neighborite & Elpidite

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 6 × 3.5 cm
Description

Brownish neighborite crystals with green elpidite sprays.

Mineral Data
What's on the rock

Neighborite

Formula: 
NaMgF3
Strunz: 
3.AA.35
Hardness: 
4.5
Type Locality: 
Sun Haverstrite Well, Uintah Co., Utah, USA

Elpidite

Formula: 
Na2ZrSi6O15·3H2O
Strunz: 
9.DG.65
Crystal System: 
Orthorhombic
Hardness: 
5.0