Locality type: Quarry Classification Species: Albite var: Cleavelandite Formula: Na(AlSi3 O8 ) Comments: Coarse tabular aggregates, commonly with terminations in interstitial spaces, forms much of the matrix of the up to 45-foot-thick plagioclase-quartz intermediate zone that hosts much of the interesting mineralization such as morganite, elbaite, spodumene, lepidolite, montebrasite, K-rich albite, cookeite, columbite, tantalite, wodginite, quartz crystals, etc. Habit: tabular Colour: white to pale blue or green 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: Quartz 44 Elbaite 39 Albite 28 Muscovite 22 - var Schernikite 3 Fluorapatite 20 - var Manganese-bearing Fluorapatite 1 Cookeite 15 Columbite-(Fe) 13 Wodginite 12 Almandine 9 Zinnwaldite 9 Hydroxylapatite 6 Cassiterite 6 Spodumene 5 Lithiophilite 5 Lepidolite 5 Microcline 4 Schorl 4 Fluorite 3 Beryl 3 Natrophilite 3 Tourmaline 3 Uraninite 3 Rhodochrosite 3 Columbite-(Mn)-Tantalite-(Mn) Series 2 Pinite 2 Calcite 2 Montebrasite 2 Pyrite 2 Microlite Group 1 Monazite-(Ce) 1 Groutite 1 Hureaulite 1 Data Mineral Data: Click here to view Cleavelandite data Locality Data: Click here to view Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA Photo Gallery View Gallery (11 photos) Data Identifiers Mindat Occurrence Record ID: 654685 Long-form Identifier: 1:3:654685:4 GUID (UUID V4 ): 0 Nearest other occurrences of Cleavelandite
0.1km (0.1 miles) ⓘ Schoonmaker Mine, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA 3.0km (1.8 miles) ⓘ Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA 4.0km (2.5 miles) ⓘ Riverside Quarry (Western Quarry), White Rock Mining District, Middletown, 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 7.0km (4.3 miles) ⓘ Chamberlain Lane, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA 9.4km (5.8 miles) ⓘ Brack Gem prospect (Brack prospect), East Glastonbury, Glastonbury, Hartford County, Connecticut, USA 9.9km (6.2 miles) ⓘ Enegren Mica Mine, East Hampton, Middlesex County, Connecticut, USA References 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 Cleavelandite Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA