| Locality type: | Quarry |
| Classification |
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| Species: | Diopside |
| Formula: | CaMgSi2O6 |
| Habit: | masses of tiny prisms in calcite |
| Colour: | green |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Pyrrhotite | 4 |
| Grossular | 3 |
| Calcite | 2 |
| Pectolite | 1 |
| Data |
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| Mineral Data: | Click here to view Diopside 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 (6 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 22100 |
| Long-form Identifier: | 1:3:22100:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Diopside |
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| 14.7km (9.1 miles) | ⓘDulude Quarry (DJL - Carrière Mont-Bruno), Mont Saint Bruno, Saint-Bruno-de-Montarville, Longueuil TE, Montérégie, Québec, Canada |
| 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 |
| 37.9km (23.5 miles) | ⓘMiron Quarry, Montréal, Québec, Canada |
| 38.6km (24.0 miles) | ⓘCanadian National Railway tunnel, Mont Royal, Montréal, Québec, Canada |
| 46.2km (28.7 miles) | ⓘSt-Robert meteorite, Saint-Robert, Pierre-De Saurel RCM, Montérégie, Québec, Canada |
| 50.6km (31.4 miles) | ⓘMont Brome, Bromont, Estrie, Québec, Canada |
| 74.7km (46.4 miles) | ⓘÎle Cadieux alnöite, Vaudreuil-Dorion, Vaudreuil-Soulanges RCM, Montérégie, Québec, Canada |
| 81.0km (50.3 miles) | ⓘOrford Nickel mine, St-Denis-de-Brompton, Le Val-Saint-François RCM, Estrie, Québec, Canada |
| 86.7km (53.8 miles) | ⓘSterrett mine, Saint-Cyr, Canton de Cleveland, Le Val-Saint-François RCM, Estrie, Québec, Canada |
| References |
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Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada