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Analcime 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


Locality type:Quarry
Classification
Species:Analcime
Formula:Na(AlSi2O6) · H2O
Comments:Probably the best analcime specimens I have ever seen have been from St Hilaire. Some crystals are about 15 cm in diameter and often associated with other interesting minerals like aegirine and serandite. Specimens that have interesting associations are always more appreciated by collectors. Pseudomorphs of cancrinite or burbankite(?) to 25cm. Formed in zoned pockets up to 1.3 by 2.6 meters.
Habit:Trapezohedra up to 25cm across
Colour:Transparent colorless to opaque white or gray in larger crystals
Quality for species:Excellent - world class for species or very significant. (!!)
Abundance at site:Common
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Aegirine256
Serandite199
Natrolite187
Rhodochrosite94
Microcline78
Polylithionite49
Catapleiite41
Calcite41
Siderite35
Sodalite26
Leucophanite22
Kupletskite21
Albite20
Fluorite19
Gonnardite19
Manganoneptunite15
Genthelvite15
Chabazite-Ca14
Clinoptilolite-Ca13
Behoite12
Horváthite-(Y)11
Sabinaite10
Burbankite9
Schizolite9
Pyrophanite9
Gaidonnayite8
Hilairite8
Quartz7
- var Smoky Quartz4
Ilmenite6
Chamosite6
Peatite-(Y)6
Eudialyte Group6
Dawsonite6
Epididymite5
Donnayite-(Y)5
Tremolite5
Ancylite Group5
Baryte4
Astrophyllite4
Ancylite-(Ce)4
Rhabdophane-(Ce)4
Phillipsite-K3
Gobbinsite3
Gmelinite-Na3
Sphalerite3
Haineaultite3
Mckelveyite Group3
Synchysite-(Ce)3
Elpidite3
Petersenite-(Ce)3
Franconite3
Leifite2
Mica Group2
Eudialyte2
Pyrite2
Zircon2
Kentbrooksite2
Labuntsovite-Mn2
Birnessite2
Yofortierite2
Hochelagaite2
Ilmenite-Pyrophanite Series2
Magnesio-arfvedsonite2
Chabazite-Na2
Arfvedsonite2
Rutile1
Eirikite1
Alicewilsonite-(YCe)1
Amphibole Supergroup1
Anatase1
Bainbridgeite-(YCe)1
Bussyite-(Ce)1
Strontianite1
Muscovite1
Calcioancylite-(Ce)1
Ankerite1
Shortite1
Thorbastnäsite1
Data
Mineral Data:Click here to view Analcime 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 (171 photos)
Data Identifiers
Mindat Occurrence Record ID:560
Long-form Identifier:1:3:560:7
GUID (UUID V4):0
Nearest other occurrences of Analcime
14.7km (9.1 miles) Dulude Quarry (DJL - Carrière Mont-Bruno), Mont Saint Bruno, Saint-Bruno-de-Montarville, Longueuil TE, Montérégie, Québec, Canada
15.8km (9.8 miles) Goyer quarry, Mont Saint Bruno, Saint-Bruno-de-Montarville, Longueuil TE, Montérégie, Québec, Canada
19.5km (12.1 miles) Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada
24.8km (15.4 miles) Mont Yamaska, Rouville RCM, Montérégie, Québec, Canada
27.6km (17.2 miles) Longueuil sill, Longueuil TE, Montérégie, Québec, Canada
31.3km (19.4 miles) Lafarge Montreal East quarry (Carrière Lafarge Montréal-Est; Francon Montréal-Est quarry; Canada Cement quarry), Montréal-Est, Montréal, Québec, Canada
33.5km (20.8 miles) Rosemont quarry, Montréal, Québec, Canada
34.7km (21.6 miles) McTavish Reservoir (Rutherford Park; Lower Reservoir; Montreal Reservoir), Mont Royal, Montréal, Québec, Canada
36.2km (22.5 miles) Francon quarry, Montréal, Québec, Canada
37.1km (23.0 miles) Corporation (Forsyth's) quarry, Mont Royal, Montréal, Québec, Canada
References
 
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