Locality type: Road Cutting Classification Species: Calcite Formula: CaCO3 Formation: Primary Comments: As scalenohedron crystals, some are doubly terminated, up to one inch. Micro-sized rhombohedral crystals in a quartz vug. But most obvious as very thin white tabular crystals commonly confused with baryte (use acid to tell), usually associated with stilbite and fluorite. "Each plate is dominated by the basal pinacoid (0001) and modified by a rhombohedron, and many plates form a striking pagoda-like stack with the c-axis in optical continuity within the succession. As many as 20 consecutive plates can be in a stack.", Myer. Also as cleavable masses with fluorite and sphalerite. Habit: scalenohedral, hexagonal tabular, rhombohedral Colour: white, cream, honey Luminescent properties: bright orange-red, rose, yellow under SW UV, commonly better under MW UV. Yellow crystals also phosphorescent. Quality for species: Good crystals or rich for species - important (!) Abundance at site: Common Confirmation Validity: Confirmed Confirmation Methods: Visually Identified Associated Minerals Based on Photo Data: Fluorite β 24 photos of Calcite associated with Fluorite at this locality.Quartz β 17 photos of Calcite associated with Quartz at this locality.Pyrite β 15 photos of Calcite associated with Pyrite at this locality.Heulandite-Ca β 11 photos of Calcite associated with Heulandite-Ca at this locality.Stilbite Subgroup β 10 photos of Calcite associated with Stilbite Subgroup at this locality.Galena β 9 photos of Calcite associated with Galena at this locality.Heulandite Subgroup β 7 photos of Calcite associated with Heulandite Subgroup at this locality.Sphalerite β 4 photos of Calcite associated with Sphalerite at this locality.Hydrozincite β 4 photos of Calcite associated with Hydrozincite at this locality.Harmotome β 2 photos of Calcite associated with Harmotome at this locality.Data Mineral Data: Click here to view Calcite data Locality Data: Click here to view Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA Photo Gallery View Gallery (11 photos) Data Identifiers Mindat Occurrence Record ID: 37860 Long-form Identifier: 1:3:37860:0 GUID (UUID V4 ): 5642969d-16c5-43e5-8702-4dcfe09fb4e6 Nearest other occurrences of Calcite
1.6km (1.0 miles) β State Routes 8 and 222 interchange, Thomaston, Litchfield County, Connecticut, USA 5.0km (3.1 miles) β Reynolds Bridge, Thomaston, Litchfield County, Connecticut, USA 5.9km (3.7 miles) β Waterbury Road quarry, Thomaston, Litchfield County, Connecticut, USA 7.8km (4.9 miles) β Pegmatite quarry and ultramafic rock, Harwinton, Litchfield County, Connecticut, USA 10.3km (6.4 miles) β South Main Street construction site, Torrington (Wolcottville), Litchfield County, Connecticut, USA 10.7km (6.7 miles) β State Route 8 exit 37, Watertown, Litchfield County, Connecticut, USA 11.2km (7.0 miles) β Blue Stone Quarry, Waterbury, New Haven County, Connecticut, USA 12.2km (7.6 miles) β Hurley Hill, Bristol, Hartford County, Connecticut, USA 12.2km (7.6 miles) β Bristol Copper Mine, Bristol, Hartford County, Connecticut, USA 12.3km (7.7 miles) β Torrington (Wolcottville), Litchfield County, Connecticut, USA References Year β¬ Author Title Publisher
Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA