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
Blandford mica mines, Blandford, Hampden County, Massachusetts, USA


Locality type:Mine
Classification
Species:Samarskite-(Y)
Formula:YFe3+Nb2O8
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Samarskite-(Y) data
Locality Data:Click here to view Blandford mica mines, Blandford, Hampden County, Massachusetts, USA
Data Identifiers
Mindat Occurrence Record ID:29882
Long-form Identifier:1:3:29882:7
GUID (UUID V4):0
Nearest other occurrences of Samarskite-(Y)
62.7km (39.0 miles) ⓘKnob Hill Quarry, Glastonbury, Hartford County, Connecticut, USA
63.7km (39.6 miles) ⓘSpinelli prospect (Spinelli quarry), Glastonbury, Hartford County, Connecticut, USA
65.8km (40.9 miles) ⓘHusband Quarries, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
66.3km (41.2 miles) ⓘHollister prospects, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
66.4km (41.2 miles) ⓘHowe Quarry (Howe #1 Quarry; Huspband Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
66.4km (41.3 miles) ⓘSimpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
68.5km (42.6 miles) ⓘCase Quarries, Portland, Middlesex County, Connecticut, USA
71.0km (44.1 miles) ⓘPelton's Quarry, Portland, Middlesex County, Connecticut, USA
71.5km (44.4 miles) ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
72.3km (44.9 miles) ⓘHale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
References
"Western Massachusetts Mineral Localities" by Plante, A.R., Valley Geology Press, 1992
 
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