Locality type: Quarry Classification Species: Beryl Formula: Be3 Al2 (Si6 O18 ) Formation: Primary Comments: Crystals can be large (over 60 cm), though typically subhedral, and multi-colored, and varying from partly gemmy to brown, opaque, and altered to a fine-grained mixture of bertrandite, muscovite, adularia, quartz and albite. Many crystals are found frozen in matrix in a subparallel arrangement with one end rooted in a layer mica. Habit: Hexagonal prisms elongated along c axis. Commonly tapered. Colour: orange-yellow, pale yellow to pale green, brown when altered Abundance at site: Common Confirmation Validity: Confirmed Confirmation Methods: Visually Identified Associated Minerals Based on Photo Data: Muscovite 13 Quartz 12 Bertrandite 9 Albite 9 K Feldspar 8 - var Adularia 8 Almandine 2 Data Mineral Data: Click here to view Beryl data Locality Data: Click here to view Biermann Quarries (Bethel quarries; Codfish Hill Quarry), Bethel, Fairfield County, Connecticut, USA Photo Gallery View Gallery (11 photos) Data Identifiers Mindat Occurrence Record ID: 37843 Long-form Identifier: 1:3:37843:3 GUID (UUID V4 ): 0 Nearest other occurrences of Beryl
1.7km (1.1 miles) ⓘ Captain Cook's Quarry (Purdy Station Quarry), Newtown, Fairfield County, Connecticut, USA 9.1km (5.7 miles) ⓘ Danbury beryl prospect, Brookfield, Fairfield County, Connecticut, USA 11.4km (7.1 miles) ⓘ U. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA 12.1km (7.5 miles) ⓘ Fillow Quarry, Branchville, Redding, Fairfield County, Connecticut, USA 12.2km (7.5 miles) ⓘ State Route 111 road cuts, Long Hill, Trumbull, Fairfield County, Connecticut, USA 12.2km (7.6 miles) ⓘ Old Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA 12.6km (7.8 miles) ⓘ Old Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA 13.9km (8.6 miles) ⓘ East Village pegmatite prospect, Monroe, Fairfield County, Connecticut, USA 15.4km (9.6 miles) ⓘ Casey Quarry (Ridgefield pegmatite), Ridgefield, Fairfield County, Connecticut, USA 18.1km (11.2 miles) ⓘ Curtis Quarry, Southford, Southbury, New Haven County, Connecticut, USA References Search for references including Beryl Biermann Quarries (Bethel quarries; Codfish Hill Quarry), Bethel, Fairfield County, Connecticut, USA
Biermann Quarries, Bethel, Fairfield County, Connecticut, USA