| Locality type: | Quarry |
| Classification |
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| Species: | Nepheline |
| Formula: | Na3K(Al4Si4O16) |
| Habit: | hexagonal prisms, massive |
| Colour: | grey |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Kentbrooksite | ⓘ9 photos of Nepheline associated with Kentbrooksite at this locality. |
| Eudialyte Group | ⓘ8 photos of Nepheline associated with Eudialyte Group at this locality. |
| Pectolite | ⓘ5 photos of Nepheline associated with Pectolite at this locality. |
| Manganoeudialyte | ⓘ4 photos of Nepheline associated with Manganoeudialyte at this locality. |
| Aegirine | ⓘ3 photos of Nepheline associated with Aegirine at this locality. |
| Serandite | ⓘ3 photos of Nepheline associated with Serandite at this locality. |
| Eudialyte | ⓘ3 photos of Nepheline associated with Eudialyte at this locality. |
| Synchysite-(Ce) | ⓘ2 photos of Nepheline associated with Synchysite-(Ce) at this locality. |
| Villiaumite | ⓘ2 photos of Nepheline associated with Villiaumite at this locality. |
| Fluorite | ⓘ1 photo of Nepheline associated with Fluorite at this locality. |
| Data |
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| Mineral Data: | Click here to view Nepheline 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 (9 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 8058 |
| Long-form Identifier: | 1:3:8058:3 |
| GUID (UUID V4): | 319932e1-238a-40b2-9921-1bd71b724e81 |
| Nearest other occurrences of Nepheline |
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| 19.5km (12.1 miles) | ⓘDemix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada |
| 22.7km (14.1 miles) | ⓘMont Saint-Gregoire (Mont Johnson; Monoir), Le Haut-Richelieu RCM, Montérégie, Québec, Canada |
| 24.8km (15.4 miles) | ⓘMont Yamaska, Rouville RCM, Montérégie, Québec, Canada |
| 33.5km (20.8 miles) | ⓘRosemont quarry, Montréal, Québec, Canada |
| 37.1km (23.0 miles) | ⓘCorporation (Forsyth's) quarry, Mont Royal, Montréal, Québec, Canada |
| 38.6km (24.0 miles) | ⓘCanadian National Railway tunnel, Mont Royal, Montréal, Québec, Canada |
| 46.4km (28.8 miles) | ⓘMont Shefford, Shefford, La Haute-Yamaska RCM, Estrie, Québec, Canada |
| 50.6km (31.4 miles) | ⓘMont Brome, Bromont, Estrie, Québec, Canada |
| 72.2km (44.9 miles) | ⓘHusereau Hill, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada |
| 89.7km (55.8 miles) | ⓘTroy, Orleans County, Vermont, USA |
| References |
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Lykova, I., Rowe, R., Poirier, G., Friis, H., Helwig, K. (2024) Mckelveyite group minerals – Part 3: Bainbridgeite-(YCe), Na₂Ba₂YCe(CO₃)₆\,\cdot\,3H₂O, a new species from Mont Saint-Hilaire, Canada. European Journal of Mineralogy, 36 (1) 183-194 doi:10.5194/ejm-36-183-2024 |
Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada