| Locality type: | Construction Site |
| Classification |
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| Species: | Marialite |
| Formula: | Na4Al3Si9O24Cl |
| Comments: | As large radiating acicular masses in the amphibolite associated with microcline, oligoclase, quartz, sulfides and clinochlore. Also along contact zones of the amphibolite with the cross-cutting quartz-topaz-fluorite-muscovite veins associated with phlogopite and beryl. |
| Habit: | radiating acicular |
| Colour: | white, pale to dark green |
| Luminescent properties: | pink to lavender |
| Quality for species: | Good crystals or rich for species - important (!) |
| Abundance at site: | Common |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Calcite | β14 photos of Marialite associated with Calcite at this locality. |
| Phlogopite | β10 photos of Marialite associated with Phlogopite at this locality. |
| Beryl | β9 photos of Marialite associated with Beryl at this locality. |
| Pyrrhotite | β7 photos of Marialite associated with Pyrrhotite at this locality. |
| Quartz | β5 photos of Marialite associated with Quartz at this locality. |
| Clinochlore | β4 photos of Marialite associated with Clinochlore at this locality. |
| Pyrite | β3 photos of Marialite associated with Pyrite at this locality. |
| Fluorapatite | β2 photos of Marialite associated with Fluorapatite at this locality. |
| Ilmenite | β2 photos of Marialite associated with Ilmenite at this locality. |
| Albite | β2 photos of Marialite associated with Albite at this locality. |
| Data |
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| Mineral Data: | Click here to view Marialite data |
| Locality Data: | Click here to view Old Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| Photo Gallery | View Gallery (11 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 819075 |
| Long-form Identifier: | 1:3:819075:8 |
| GUID (UUID V4): | 08b6e5bd-4a5c-421c-8971-367ed1260f45 |
| Nearest other occurrences of Marialite |
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| 0.4km (0.2 miles) | βOld Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| 0.6km (0.4 miles) | βCorporate Drive, Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| 36.9km (22.9 miles) | βTilly Foster Iron Mine, Town of Southeast, Putnam County, New York, USA |
| 74.6km (46.4 miles) | βHogencamp Mine, Town of Tuxedo, Orange County, New York, USA |
| 78.3km (48.6 miles) | βConklin Limestone Company quarry (Falls Village Quarry), Falls Village, Canaan, Litchfield County, Connecticut, USA |
| References |
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Old Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA