| Locality type: | Quarry |
| Classification |
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| Species: | Siderite |
| Formula: | FeCO3 |
| Habit: | rhombohedral, tabular, twinned |
| Colour: | brown |
| Confirmation |
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|
| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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|
| Albite | 131 |
| Aegirine | 37 |
| Quartz | 37 |
| - var Smoky Quartz | 7 |
| Analcime | 35 |
| Microcline | 31 |
| Gaidonnayite | 31 |
| Rutile | 23 |
| Calcite | 18 |
| Natrolite | 16 |
| Sabinaite | 15 |
| Franconite | 15 |
| Neighborite | 15 |
| Pyrite | 14 |
| Catapleiite | 13 |
| Rémondite-(Ce) | 11 |
| Zircon | 11 |
| Fluorite | 11 |
| Horváthite-(Y) | 10 |
| Fluorapatite | 10 |
| Thomasclarkite-(Y) | 9 |
| Gonnardite | 9 |
| Petersenite-(Ce) | 8 |
| Gmelinite-Na | 8 |
| Niveolanite | 7 |
| Pyrrhotite | 5 |
| Elpidite | 5 |
| Anatase | 5 |
| Sodalite | 5 |
| Dawsonite | 5 |
| Sphalerite | 4 |
| Galena | 4 |
| Mckelveyite Group | 4 |
| Gobbinsite | 4 |
| Polylithionite | 3 |
| Pectolite | 3 |
| Calcioburbankite | 3 |
| Cryolite | 3 |
| Leucophanite | 3 |
| Epididymite | 3 |
| Opal | 3 |
| Synchysite-(Ce) | 3 |
| Serandite | 3 |
| Ancylite Group | 2 |
| Clinochlore | 2 |
| Brookite | 2 |
| Nenadkevichite | 2 |
| Shomiokite-(Y) | 2 |
| Eudidymite | 2 |
| Lecoqite-(Y) | 2 |
| Ilmenite-Pyrophanite Series | 2 |
| Donnayite-(Y) | 2 |
| Peatite-(Y) | 1 |
| Molybdenite | 1 |
| Lorenzenite | 1 |
| Nordstrandite | 1 |
| Chabazite-Na | 1 |
| Hilairite | 1 |
| Parisite-(Ce) | 1 |
| Rhodochrosite | 1 |
| Gypsum | 1 |
| Laurentianite | 1 |
| Shortite | 1 |
| Strontianite | 1 |
| Ramikite-(Y) | 1 |
| Data |
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| Mineral Data: | Click here to view Siderite 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 (82 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 37549 |
| Long-form Identifier: | 1:3:37549:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Siderite |
|---|
|
|
| 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 |
| 36.2km (22.5 miles) | ⓘFrancon quarry, 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 |
| 48.3km (30.0 miles) | ⓘRivermont Quarry, Kahnawake, Roussillon RCM, Montérégie, Québec, Canada |
| 92.6km (57.5 miles) | ⓘAyer's Cliff Quarry (Sintra Quarry), Ayer's Cliff area, Sainte-Catherine-de-Hatley, Memphrémagog RCM, Estrie, Québec, Canada |
| 97.5km (60.6 miles) | ⓘBel Horizon quarry (Carrière Bel Horizon; Carrière DJL), Hatley, Memphrémagog RCM, Estrie, 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