Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Neighborite Elpidite & Gaidonnayite

Views:
Watches:
SYM970044

Neighborite Elpidite & Gaidonnayite

Type Locality

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.8 × 1.8 cm
Description

Rich specimen of brown neighborite crystals with sprays of elpidite and clusters of clear gaidonnayite crystals on the matrix. 

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

Gaidonnayite

Formula: 
Na2Zr(Si3O9)·2H2O
Strunz: 
9.DM.15
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 0.0
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