| Locality type: | Quarry |
| Classification |
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|
| Species: | Aegirine |
| Formula: | NaFe3+Si2O6 |
| Habit: | long prismatic to acicular, radiating aggregates |
| Colour: | dark green to black |
| Confirmation |
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|
| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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|
| Serandite | 278 |
| Albite | 272 |
| Analcime | 257 |
| Natrolite | 221 |
| Rhodochrosite | 219 |
| Catapleiite | 175 |
| Polylithionite | 137 |
| Microcline | 130 |
| Leucophanite | 95 |
| Genthelvite | 53 |
| Fluorite | 43 |
| Calcite | 37 |
| Siderite | 37 |
| Manganoneptunite | 33 |
| Elpidite | 33 |
| Franconite | 33 |
| Epididymite | 33 |
| Pyrochlore Group | 32 |
| Kupletskite | 29 |
| Leifite | 24 |
| Gonnardite | 22 |
| Astrophyllite | 21 |
| Sphalerite | 20 |
| Ancylite-(Ce) | 19 |
| Niveolanite | 18 |
| Eudidymite | 18 |
| Sodalite | 17 |
| Gaidonnayite | 16 |
| Fluorapatite | 16 |
| Nenadkevichite | 15 |
| Behoite | 15 |
| Adamsite-(Y) | 14 |
| Neighborite | 14 |
| Niobokupletskite | 13 |
| Eudialyte Group | 12 |
| Thomasclarkite-(Y) | 12 |
| Raite | 12 |
| Dawsonite | 11 |
| Ancylite Group | 11 |
| Eudialyte | 11 |
| Shomiokite-(Y) | 10 |
| Pectolite | 9 |
| Arfvedsonite | 9 |
| Feldspar Group | 9 |
| Cappelenite-(Y) | 9 |
| Leucosphenite | 8 |
| Willemite | 8 |
| Sabinaite | 8 |
| Millerite | 7 |
| Lorenzenite | 7 |
| Calcioancylite-(Ce) | 6 |
| Petersenite-(Ce) | 6 |
| Muscovite | 6 |
| Quartz | 6 |
| - var Smoky Quartz | 4 |
| Petarasite | 5 |
| Clinoptilolite-Ca | 5 |
| Cordylite-(Ce) | 5 |
| Leifite Group | 5 |
| Zircon | 5 |
| Pyrophanite | 5 |
| Gmelinite-Na | 5 |
| Schizolite | 4 |
| Astrophyllite Supergroup | 4 |
| Fluorcalciopyrochlore | 4 |
| Rémondite-(Ce) | 4 |
| Steacyite | 4 |
| Nepheline | 4 |
| Cryolite | 3 |
| Pyrrhotite | 3 |
| Rhabdophane-(Ce) | 3 |
| Garronite-Na | 3 |
| Astrophyllite-Kupletskite Series | 3 |
| Ashcroftine-(Y) | 3 |
| Hingganite-(Y) | 3 |
| Calcioburbankite | 3 |
| Orthoclase | 2 |
| Epistolite | 2 |
| Burbankite | 2 |
| Thorbastnäsite | 2 |
| Pyrite | 2 |
| Arsenopyrite | 2 |
| Ancylite | 2 |
| Carletonite | 2 |
| Hydroterskite | 2 |
| Perraultite | 2 |
| Chabazite-Ca | 2 |
| Laverovite | 2 |
| Labuntsovite-Mn | 2 |
| Nordstrandite | 2 |
| Yofortierite | 2 |
| Molybdenite | 2 |
| Synchysite-(Ce) | 2 |
| Annite | 2 |
| Cerussite | 1 |
| Wulfenite | 1 |
| Galena | 1 |
| Terskite | 1 |
| Opal | 1 |
| Villiaumite | 1 |
| Data |
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|
| Mineral Data: | Click here to view Aegirine 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 Gallery | View Gallery (92 photos) |
| Data Identifiers |
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|
| Mindat Occurrence Record ID: | 167 |
| Long-form Identifier: | 1:3:167:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Aegirine |
|---|
|
|
| 19.5km (12.1 miles) | ⓘDemix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais 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 |
| 36.2km (22.5 miles) | ⓘFrancon quarry, Montréal, Québec, Canada |
| 37.1km (23.0 miles) | ⓘCorporation (Forsyth's) quarry, Mont Royal, Montréal, Québec, Canada |
| 37.9km (23.5 miles) | ⓘMiron Quarry, Montréal, Québec, Canada |
| 38.6km (24.0 miles) | ⓘCanadian National Railway tunnel, Mont Royal, Montréal, Québec, Canada |
| 69.6km (43.2 miles) | ⓘSt Lawrence Columbium Mine, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada |
| 70.9km (44.0 miles) | ⓘBond zone, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada |
| References |
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Lykova, Inna; Rowe, Ralph; Teat, Simon J.; Poirier, Glenn; Barnes, Stephanie (2026) Piilonenite-(Nd), NaNd(CO3)2·3H2O, a new neodymium-dominant carbonate mineral from Mont Saint-Hilaire, Quebec, Canada. European Journal of Mineralogy, 38 (3). p.337-345. doi:10.5194/ejm-38-337-2026 |
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Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada