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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Monazite-(Ce) from
Hale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex County, Connecticut, USA


Locality type:Quarry
Classification
Species:Monazite-(Ce)
Formula:Ce(PO4)
Comments:Zodac (1941) was referring to what he called the Grandfather Andrews Quarry and is now called the Andrews Quarry, so this report is erroneous.
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Monazite-(Ce) data
Locality Data:Click here to view Hale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:147371
Long-form Identifier:1:3:147371:1
GUID (UUID V4):0
Nearest other occurrences of Monazite-(Ce)
0.3km (0.2 miles) ⓘAndrews Quarry (old Hale Quarry; Grandfather Andrews Quarry), Portland, Middlesex County, Connecticut, USA
1.5km (0.9 miles) ⓘCase Quarries, Portland, Middlesex County, Connecticut, USA
1.5km (1.0 miles) ⓘCase Quarry No. 2, Case Quarries, Portland, Middlesex County, Connecticut, USA
1.7km (1.1 miles) ⓘHollister prospects, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
1.8km (1.1 miles) ⓘEureka Quarries, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
4.1km (2.6 miles) ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
6.2km (3.8 miles) ⓘNathan Hall Quarry, East Hampton, Middlesex County, Connecticut, USA
7.0km (4.4 miles) ⓘSpinelli prospect (Spinelli quarry), Glastonbury, Hartford County, Connecticut, USA
12.9km (8.0 miles) ⓘHurd State Park quarries, East Hampton, Middlesex County, Connecticut, USA
14.0km (8.7 miles) ⓘAnderson No. 1 Mica Mine, East Hampton, Middlesex County, Connecticut, USA
References
Foye (1922)
Zodac, Peter (1941): The Andrews Quarry Near Portland, Conn. Rocks and Minerals: 16(5): 164-167.pp.164-165
 
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