Locality type: Quarry Classification Species: 'Tourmaline' (not an IMA approved species) Formula: A D 3 G 6 (T 6 O18 )(BO3 )3 X 3 Z Comments: See descriptions of elbaite, foitite, and schorl for details. In the mineralized portion of the cleavelandite-quartz intermediate zone, associated with much K-rich albite and elbaite, occurs much secondary acicular to capillary tourmaline, some of it forming asbestiform mats. Some of it has distinct color and is likely elbaite, but much is white to black and could be other species. Analyses are lacking. Habit: elongated prisms, acicular, capillary, asbestiform Colour: black, greens, blue, pink, lavender, gray, white Luminescent properties: pink variety fluoresces blue Quality for species: Good crystals or rich for species - important (!) Abundance at site: Very common Confirmation Validity: Confirmed Confirmation Methods: Visually Identified Associated Minerals Based on Photo Data: Albite 8 - var Cleavelandite 3 Quartz 3 Lepidolite 1 Schorl 1 Fluorapatite 1 Data Mineral Data: Click here to view Tourmaline data Locality Data: Click here to view Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA Photo Gallery View Gallery (8 photos) Data Identifiers Mindat Occurrence Record ID: 657137 Long-form Identifier: 1:3:657137:5 GUID (UUID V4 ): 0 Nearest other occurrences of Tourmaline
0.1km (0.1 miles) ⓘ Schoonmaker Mine, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA 0.8km (0.5 miles) ⓘ Hale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA 3.0km (1.8 miles) ⓘ Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA 3.0km (1.9 miles) ⓘ Gotta-Walden Prospect, Portland, Middlesex County, Connecticut, USA 3.8km (2.4 miles) ⓘ Great Hill cobalt mines, Cobalt, East Hampton, Middlesex County, Connecticut, USA 4.1km (2.6 miles) ⓘ Hale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex County, Connecticut, USA 4.3km (2.7 miles) ⓘ White Rocks Quarry (Consolidated Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA 5.4km (3.3 miles) ⓘ Simpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA 5.7km (3.5 miles) ⓘ Hollister prospects, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA 6.8km (4.2 miles) ⓘ Tollgate Quarry (Tollgate Mine; Bidwell Quarry; China-stone Quarry), Middletown, Middlesex County, Connecticut, USA References Year ⬇ Author Title Publisher
Cameron, Eugene N., Larrabee, David M., McNair, Andrew H., Page, James J., Stewart, Glen W., Shainin, Vincent E. (1954) Pegmatite Investigations, 1942-45, in New England. Geological Survey Professional Paper 255. US Geological Survey doi:10.3133/pp255 Search for references including Tourmaline Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA