| Locality type: | Quarry |
| Classification |
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| Species: | Astrophyllite |
| Formula: | K2NaFe72+Ti2Si8O26(OH)4F |
| Habit: | bladed, lamellar |
| Colour: | bronze-yellow to red |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Aegirine | ⓘ21 photos of Astrophyllite associated with Aegirine at this locality. |
| Leucophanite | ⓘ7 photos of Astrophyllite associated with Leucophanite at this locality. |
| Analcime | ⓘ4 photos of Astrophyllite associated with Analcime at this locality. |
| Pyrophanite | ⓘ4 photos of Astrophyllite associated with Pyrophanite at this locality. |
| Natrolite | ⓘ3 photos of Astrophyllite associated with Natrolite at this locality. |
| Albite | ⓘ3 photos of Astrophyllite associated with Albite at this locality. |
| Microcline | ⓘ3 photos of Astrophyllite associated with Microcline at this locality. |
| Hackmanite | ⓘ3 photos of Astrophyllite associated with Hackmanite at this locality. |
| Catapleiite | ⓘ3 photos of Astrophyllite associated with Catapleiite at this locality. |
| Kupletskite | ⓘ2 photos of Astrophyllite associated with Kupletskite at this locality. |
| Data |
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| Mineral Data: | Click here to view Astrophyllite 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 (43 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1278 |
| Long-form Identifier: | 1:3:1278:2 |
| GUID (UUID V4): | 9f4b96c9-3c5a-4997-add0-d0b2a61e4c57 |
| Nearest other occurrences of Astrophyllite |
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| 19.5km (12.1 miles) | ⓘDemix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, 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 |
| References |
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Piilonen, P. C., Lalonde, A. E., McDonald, A. M., Gault, R. A., Larsen, A. O. (2003) Insights into Astrophyllite-group minerals. I. Nomenclature, composition and development of standardized general formula. The Canadian Mineralogist, 41 (1) 1-26 doi:10.2113/gscanmin.41.1.1 |
Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada