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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Pyrrhotite from
Grants Mills, Cumberland, Providence County, Rhode Island, USA


Locality type:Road Cutting
Classification
Species:Pyrrhotite
Formula:Fe1-xS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrrhotite data
Locality Data:Click here to view Grants Mills, Cumberland, Providence County, Rhode Island, USA
Data Identifiers
Mindat Occurrence Record ID:37251
Long-form Identifier:1:3:37251:8
GUID (UUID V4):0
Nearest other occurrences of Pyrrhotite
3.9km (2.4 miles) ⓘSheldonville Gold Mine (Wrentham Gold Mine), Wrentham, Norfolk County, Massachusetts, USA
9.5km (5.9 miles) ⓘConklin Quarry, Lime Rock, Lincoln, Providence County, Rhode Island, USA
20.0km (12.4 miles) ⓘManton Avenue Quarry, Manton, Providence, Providence County, Rhode Island, USA
22.1km (13.7 miles) ⓘInterstate 295 / US Route 6 road cuts, Johnston, Providence County, Rhode Island, USA
25.7km (16.0 miles) ⓘAggregate Industries Quarry (Bayer-Mingolla Quarry; Trimount Quarry), Ashland, Middlesex County, Massachusetts, USA
26.7km (16.6 miles) ⓘInterstate highway 295 road cut, Cranston, Providence County, Rhode Island, USA
29.8km (18.5 miles) ⓘDurfee Hill Gold mine, Glocester, Providence County, Rhode Island, USA
39.4km (24.5 miles) ⓘBallard Quarry, Worcester, Worcester County, Massachusetts, USA
49.4km (30.7 miles) ⓘBolton Lime Quarries (Bolton Quarry; Whitcomb Quarry; Hildreth Quarry), Bolton, Worcester County, Massachusetts, USA
62.8km (39.0 miles) ⓘPJ Keating Quarry (Lunenburg Quarry), Lunenburg, Worcester County, Massachusetts, USA
References
Michael W. Kieron collection
 
and/or  
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