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Leifite from
Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada


05156520017271924507016.jpg
Leifite

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
08145340017271924533571.jpg
Leifite

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
07033930017271924629201.jpg
Leifite

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
01464610017272007325453.jpg
Leifite

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
03789760017367116945457.jpg
Leifite

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
07428630017367116956438.jpg
Leifite

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
03732120017367116993205.jpg
Leifite

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
08584270017367117028196.jpg
Leifite

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
05156520017271924507016.jpg
Leifite

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
06805540017271924735110.jpg
Leifite

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
07033930017271924629201.jpg
Leifite

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
01464610017272007325453.jpg
Leifite

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
Locality type:Quarry
Classification
Species:Leifite
Formula:(Na,H2O)Na6[Be2Al2(Al,Si)Si15O39]F2
Comments:Specimens from here are considered the very best for the species by a large margin. In many specimens and even individual crystals both leifite and the related species eirikite are present.
Habit:Short to long, hexagonal, prismatic {1010}terminated by the {001} basal pinacoid.
Colour:Colourless to white.
Quality for species:Excellent - world class for species or very significant. (!!)
Significance:Classic locality for this mineral (see references.)
Abundance at site:Rare
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Rhodochrosite55
Serandite37
Albite33
Aegirine24
Elpidite23
Nenadkevichite14
Calcite8
Polylithionite6
Eirikite6
Catapleiite5
Willemite4
Natrolite4
Fluorite4
Analcime2
Horváthite-(Y)2
Wurtzite1
Ancylite1
Data
Mineral Data:Click here to view Leifite data
Locality Data:Click here to view Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
Photo GalleryView Gallery (94 photos)
Data Identifiers
Mindat Occurrence Record ID:6885
Long-form Identifier:1:3:6885:7
GUID (UUID V4):0
References
Boissonault, J. (1966) La minéralogie des intrusions alcalines du Mont St-Hilaire, P.Q. Master of Science, Ecole polytechnique de Montréal. Canada. 100pp.
Grice, Joel (1989) Mont Saint-Hilaire, Quebec: Canada's Most Diverse Mineral Locality. In Famous Mineral Localities of Canada. Fitzhenry & Whiteside Limited & the National Museum of Natural Sciences. p.100-108.
Horváth, László, Gault, Robert A. (1990) The Mineralogy of Mont Saint-Hilaire, Quebec. The Mineralogical Record, 21 (4) 281-359
 
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