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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Autunite from
Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA


Locality type:Quarry
Classification
Species:Autunite
Formula:Ca(UO2)2(PO4)2 · 10-12H2O
Comments:Should be referred to as meta-autunite as all such material is dehydrated. Associated with uraninite and uranophane.
Habit:tabular flakes, coatings
Colour:pale yellow
Luminescent properties:bright green
Confirmation
Validity:Confirmed
Confirmation Methods:Visual (Fluorescence)
Data
Mineral Data:Click here to view Autunite data
Locality Data:Click here to view Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:37692
Long-form Identifier:1:3:37692:1
GUID (UUID V4):0
Nearest other occurrences of Autunite
1.6km (1.0 miles) ⓘPelton's Quarry, 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 (2.3 miles) ⓘState Forest Quarry No. 2, 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) ⓘNathan Hall Quarry, East Hampton, Middlesex County, Connecticut, USA
4.3km (2.7 miles) ⓘWhite Rocks Quarry (Consolidated Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA
4.4km (2.7 miles) ⓘAndrews Quarry (old Hale Quarry; Grandfather Andrews Quarry), Portland, 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
References
Schooner, Richard (1955) 90 Minerals from 1 Connecticut Hill. Rocks & Minerals, 30 (7-8). 351-358 doi:10.1080/00357529.1955.11767837
 
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