Locality type: | Quarry |
Classification |
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Species: | Epididymite |
Formula: | Na2Be2Si6O15 · H2O |
Comments: | Undoubtedly the best crystallized specimens for the species. |
Habit: | Groups of short prismatic crystals, very often forming cyclic pseudohexagonal twins; tabular, bladed, acicular, reticulated |
Colour: | Colourless to translucent white. |
Luminescent properties: | Some fluoresce medium to strong green, yellowish-green and pale yellow under SW UV. |
Quality for species: | Excellent - world class for species or very significant. (!!) |
Abundance at site: | Common |
Confirmation |
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Validity: | Believed Valid |
Associated Minerals Based on Photo Data: |
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Aegirine | ⓘ29 photos of Epididymite associated with Aegirine at this locality. |
Catapleiite | ⓘ24 photos of Epididymite associated with Catapleiite at this locality. |
Serandite | ⓘ21 photos of Epididymite associated with Serandite at this locality. |
Albite | ⓘ21 photos of Epididymite associated with Albite at this locality. |
Eudidymite | ⓘ16 photos of Epididymite associated with Eudidymite at this locality. |
Microcline | ⓘ12 photos of Epididymite associated with Microcline at this locality. |
Gaidonnayite | ⓘ11 photos of Epididymite associated with Gaidonnayite at this locality. |
Natrolite | ⓘ10 photos of Epididymite associated with Natrolite at this locality. |
Calcite | ⓘ9 photos of Epididymite associated with Calcite at this locality. |
Manganoneptunite | ⓘ8 photos of Epididymite associated with Manganoneptunite at this locality. |
Data |
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Mineral Data: | Click here to view Epididymite 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 (93 photos) |
Data Identifiers |
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Mindat Occurrence Record ID: | 4912 |
Long-form Identifier: | 1:3:4912:2 |
GUID (UUID V4): | 62a83e9b-6a2b-4ab8-9146-b2b3de798750 |
Nearest other occurrences of Epididymite |
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19.5km (12.1 miles) | ⓘDemix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada |
References |
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Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada