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Griceite & Villiaumite

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SKY986983

Griceite & Villiaumite

Type Locality

Description Tabs

Description
Locality: 
Mont Saint-Hilaire, Montérégie, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.5 × 0.5 cm
Description

Outstanding white crystals of the very rare mineral griceite (LiF) on a very nice pink villiaumite (NaF) crystal from the famous Mont Saint Hilaire quarries. Two very rare fluoride minerals in a single specimen !

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Mineral Data
What's on the rock

Griceite

Formula: 
LiF
Strunz: 
3.AA.20
Hardness: 
4.5
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

Villiaumite

Formula: 
NaF
Strunz: 
3.AA.20
Crystal System: 
Isometric
Hardness: 
2.0 - 2.5
Streak: 
White
Type Locality: 
Rouma Island (Roume Island; Roma Island; Ruma Island), Los Archipelago (Los Islands), Guinea

Seller Information

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