Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Samarskite-(Y) from
Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA


Locality type:Quarry
Classification
Species:Samarskite-(Y)
Formula:YFe3+Nb2O8
Comments:Schooner says it has been "reported" but details and specimens lacking.
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Samarskite-(Y) data
Locality Data:Click here to view Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:96238
Long-form Identifier:1:3:96238:4
GUID (UUID V4):0
Nearest other occurrences of Samarskite-(Y)
0.8km (0.5 miles) ⓘHale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
1.6km (1.0 miles) ⓘPelton's Quarry, Portland, Middlesex County, Connecticut, USA
3.8km (2.3 miles) ⓘCase Quarries, Portland, Middlesex County, Connecticut, USA
4.3km (2.7 miles) ⓘWhite Rocks Quarry (Consolidated Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA
5.3km (3.3 miles) ⓘHowe Quarry (Howe #1 Quarry; Huspband Quarry), South Glastonbury, Glastonbury, Hartford 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
6.0km (3.7 miles) ⓘHusband Quarries, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
9.9km (6.2 miles) ⓘKnob Hill Quarry, Glastonbury, Hartford County, Connecticut, USA
10.6km (6.6 miles) ⓘSpinelli prospect (Spinelli quarry), Glastonbury, Hartford County, Connecticut, USA
References
Ralph Lieser of Pappy’s Beryl Shop, East Hampton
and Howard Pate of Fluorescent House, Branford, Connecticut.
Schooner, Richard (1955) 90 Minerals from 1 Connecticut Hill. Rocks & Minerals, 30 (7-8). 351-358 doi:10.1080/00357529.1955.11767837
Schooner, Richard. (1958): The Mineralogy of the Portland-East Hampton-Middletown-Haddam Area in Connecticut (With a few notes on Glastonbury and Marlborough). Published by Richard Schooner
 
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