| Locality type: | Quarry |
| Classification |
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| Species: | Dravite |
| Formula: | NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) |
| Comments: | In schist outcrop over 100 meters from the Biermann quarry and not related to it. |
| Habit: | short to elongated (along c axis) prisms with simple rhombohedral terminations, often doubly. |
| Colour: | black |
| Quality for species: | Good crystals or rich for species - important (!) |
| Abundance at site: | Very common |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Biotite | 3 photos of Dravite associated with Biotite at this locality. |
| Albite | ⓘ1 photo of Dravite associated with Albite at this locality. |
| Data |
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| Mineral Data: | Click here to view Dravite data |
| Locality Data: | Click here to view Biermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield County, Connecticut, USA |
| Photo Gallery | View Gallery (31 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 37851 |
| Long-form Identifier: | 1:3:37851:2 |
| GUID (UUID V4): | dd6ee3e5-bfff-4475-9c18-8780f9fba65e |
| Nearest other occurrences of Dravite |
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| 12.2km (7.6 miles) | ⓘMonroe, Fairfield County, Connecticut, USA |
| 12.2km (7.6 miles) | ⓘOld Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| 25.2km (15.6 miles) | ⓘTilly Foster Iron Mine, Town of Southeast, Putnam County, New York, USA |
| 38.3km (23.8 miles) | ⓘWoodhaven, Waterbury, New Haven County, Connecticut, USA |
| 69.6km (43.2 miles) | ⓘState Route 9 Interchange 13 - Beaver Meadow Road, Haddam, Middlesex County, Connecticut, USA |
| 72.7km (45.2 miles) | ⓘInwood Valley (Inwood), Manhattan (New York County), New York City, New York, USA |
| 74.0km (46.0 miles) | ⓘ172nd Street & Grand Concourse, The Bronx (Bronx County), New York City, New York, USA |
| 74.3km (46.2 miles) | ⓘVespa stone quarry, East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 76.8km (47.7 miles) | ⓘSunset Quartzite Quarry, East Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
| References |
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Biermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield County, Connecticut, USA