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 | 2 photos of Dravite associated with Biotite 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