| Locality type: | Quarry |
| Classification |
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| Species: | Cryolite |
| Formula: | Na2NaAlF6 |
| Habit: | octahedral-like |
| Colour: | colourless to white |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Sabinaite | 8 |
| Chabazite-Na | 7 |
| Chabazite | 6 |
| Aegirine | 3 |
| Fluorapatite | 3 |
| Gaidonnayite | 3 |
| Albite | 3 |
| Siderite | 3 |
| Elpidite | 1 |
| Synchysite-(Ce) | 1 |
| Gmelinite Subgroup | 1 |
| Ankerite | 1 |
| Data |
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| Mineral Data: | Click here to view Cryolite 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 (25 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 4103 |
| Long-form Identifier: | 1:3:4103:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Cryolite |
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| 19.5km (12.1 miles) | ⓘDemix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada |
| 36.2km (22.5 miles) | ⓘFrancon quarry, Montréal, Québec, Canada |
| References |
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Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada