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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Fluorite from
Manville Quarry, Cumberland, Providence County, Rhode Island, USA


Locality type:Quarry
Classification
Species:Fluorite
Formula:CaF2
Comments:Octahedral
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Fluorite data
Locality Data:Click here to view Manville Quarry, Cumberland, Providence County, Rhode Island, USA
Data Identifiers
Mindat Occurrence Record ID:37447
Long-form Identifier:1:3:37447:3
GUID (UUID V4):0
Nearest other occurrences of Fluorite
3.4km (2.1 miles) ⓘStaples Road, Cumberland, Providence County, Rhode Island, USA
3.4km (2.1 miles) ⓘBeacon Pole Hill quarry, Cumberland, Providence County, Rhode Island, USA
3.6km (2.2 miles) ⓘSneech Pond copper mines (Copper Mine Hill), Cumberland, Providence County, Rhode Island, USA
5.7km (3.5 miles) ⓘGrants Mills, Cumberland, Providence County, Rhode Island, USA
5.7km (3.5 miles) ⓘDiamond Hill, Cumberland, Providence County, Rhode Island, USA
6.8km (4.2 miles) ⓘDiamond Hill Reservoir, Diamond Hill, Cumberland, Providence County, Rhode Island, USA
7.5km (4.7 miles) ⓘLynch Quarry, Berkeley, Cumberland, Providence County, Rhode Island, USA
10.9km (6.8 miles) ⓘSmithfield beryl prospect, Smithfield, Providence County, Rhode Island, USA
16.8km (10.5 miles) ⓘManton Avenue Quarry, Manton, Providence, Providence County, Rhode Island, USA
18.0km (11.2 miles) ⓘInterstate 295 / US Route 6 road cuts, Johnston, Providence County, Rhode Island, USA
References
Michael W. Kieron collection
 
and/or  
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