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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Uraninite from
Howe Quarry (Howe #1 Quarry; Huspband Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA


Locality type:Quarry
Classification
Species:Uraninite
Formula:UO2
Comments:small blebs or crude octahedra, associated with colorful secondaries.
Habit:crudely octahedral
Colour:black
Abundance at site:Rare
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz2
Muscovite1
Metatorbernite1
Albite1
Data
Mineral Data:Click here to view Uraninite data
Locality Data:Click here to view Howe Quarry (Howe #1 Quarry; Huspband Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:153178
Long-form Identifier:1:3:153178:7
GUID (UUID V4):0
Nearest other occurrences of Uraninite
0.5km (0.3 miles) Simpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
0.9km (0.6 miles) Andrews Quarry (old Hale Quarry; Grandfather Andrews Quarry), Portland, Middlesex County, Connecticut, USA
1.2km (0.7 miles) Hale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex County, Connecticut, USA
1.9km (1.2 miles) Bordonaro Quarry, Portland, Middlesex County, Connecticut, USA
2.3km (1.4 miles) Case Quarry No. 3, Case Quarries, Portland, Middlesex County, Connecticut, USA
2.3km (1.4 miles) Case Quarries, Portland, Middlesex County, Connecticut, USA
2.3km (1.4 miles) Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
2.3km (1.5 miles) Case Quarry No. 2, Case Quarries, Portland, Middlesex County, Connecticut, USA
4.7km (2.9 miles) Pelton's Quarry, Portland, Middlesex County, Connecticut, USA
5.2km (3.2 miles) Schoonmaker Mine, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
References
 
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