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Dravite from
Biermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield County, Connecticut, USA

Classification
Species:Dravite
Formula:Na(Mg3)Al6(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
Validity:Believed Valid
References
References:Januzzi (1976) p. 172
Associated Minerals Based on Photo Data:
Biotite2 photos of Dravite associated with Biotite at this locality.
Data
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 GalleryView Gallery (26 photos)
Nearest other occurrences of Dravite
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, Brewster, Town of Southeast, Putnam Co., New York, USA
38.3km (23.8 miles) Woodhaven, Waterbury, New Haven Co., Connecticut, USA
69.6km (43.2 miles) State Route 9 Interchange 8 - Beaver Meadow Road, Haddam, Middlesex Co., Connecticut, USA
72.7km (45.2 miles) Inwood Valley (Inwood), Manhattan (New York Co.), New York City, New York, USA
74.0km (46.0 miles) 172nd Street & Grand Concourse, The Bronx (Bronx Co.), New York City, New York, USA
74.3km (46.2 miles) Vespa stone quarry, East Hampton (Chatham), Middlesex Co., Connecticut, USA
76.8km (47.7 miles) Sunset Quartzite Quarry, East Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
 
Mineral and/or Locality  
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