Cryolite Gallery

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Cryolite : Na₃[AlF₆], Sabinaite : Na₄Zr₂TiO₄(CO₃)₄
	Québec, Canada SEM image of cryolite crystals surrounded by sabinaite
© A. Godelitsas	Photo ID: 14601 View Count: 493
Cryolite : Na₃[AlF₆]
	Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada This admittedly ugly , lumpy-looking thing is actually a superb crystal of cryolite for the locality. Cryolite here crystallizes in a unique form, quite unlike those cubic crysatls from Greenland of the 1800s and early 1900s. They have been found just rarely at MSH, and to my knowledge this particular sort dates to only one pocket found about 20 ...
© Rob Lavinsky	Photo ID: 44102 View Count: 401
Cryolite : Na₃[AlF₆]
	Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada Picture width 3 mm. Collection and photograph Stephan Wolfsried
© Stephan Wolfsried	Photo ID: 48396 View Count: 306
Cryolite : Na₃[AlF₆]
	Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada Self collected by Modris Baum August 1997. FOV 1.4 x 1.6 mm. Cryolite is rare at MSH. Large xls are opaque and often coated. Small pseudo-octahedral xls are relatively sharp and can even be transparent. This xl fluoresces pale blue-white (SW) which is typical for MSH cryolite.
	Photo ID: 165160 View Count: 106
Cryolite : Na₃[AlF₆]
	Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada Self collected by Modris Baum August 1997. FOV 3.4 x 2.5 mm. Fairly sharp and transparent pseudo-octahedral xls. They fluoresce pale blue-white (SW).
	Photo ID: 165161 View Count: 96
Cryolite : Na₃[AlF₆]
	Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada Picture width 1,5 mm. Collection and photo Stephan Wolfsried
© Stephan Wolfsried	Photo ID: 192295 View Count: 92
Cryolite : Na₃[AlF₆]
	Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada FOV 6.9 x 4.6 mm. Collected by Modris B. August 1997. This is actually a fairly well formed xl. But it is covered with "warts" that make the surface look like the skin of a rhino. I don't think they are the result of etching. They stick up above a surface that seems smooth underneath. In any case, the xl fluoresces pale blue white ...
	Photo ID: 171844 View Count: 89
Cryolite : Na₃[AlF₆]
	Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada "frosted" Octahedrons. Picture width 3 mm. Collection and photo Stephan Wolfsried
© Stephan Wolfsried	Photo ID: 192293 View Count: 72
Cryolite : Na₃[AlF₆], Albite : Na[AlSi₃O₈], Siderite : FeCO₃
	Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada FOW ~ 2.4 cm wide. Found Aug 1997. From the Poudrette pegmatite. This looks like a photo of nothing - and it looks pretty much the same in person. The colorless cryolite xls are etched, rounded, and lumpy and even the white albite is not sharply crystallized. The olive brown siderite rhombs are too small and too few to add much contrast. But ...
	Photo ID: 262209 View Count: 14
Cryolite : Na₃[AlF₆]
	Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada dimension area mm. 2 x 2 photo and collection Luigi Chiappino
© luigi chiappino	Photo ID: 242280 View Count: 11