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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Magnetite from
Dexter Quarry (Dexter Lime Quarry), Lime Rock, Lincoln, Providence County, Rhode Island, USA


Locality type:Quarry
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Dexter Quarry (Dexter Lime Quarry), Lime Rock, Lincoln, Providence County, Rhode Island, USA
Data Identifiers
Mindat Occurrence Record ID:37475
Long-form Identifier:1:3:37475:6
GUID (UUID V4):0
Nearest other occurrences of Magnetite
2.1km (1.3 miles) ⓘConklin Quarry, Lime Rock, Lincoln, Providence County, Rhode Island, USA
3.5km (2.2 miles) ⓘHarris Quarry (Harris Lime Quarries), Lime Rock, Lincoln, Providence County, Rhode Island, USA
6.8km (4.2 miles) ⓘCumberland Hill, Cumberland, Providence County, Rhode Island, USA
9.1km (5.7 miles) ⓘSneech Pond copper mines (Copper Mine Hill), Cumberland, Providence County, Rhode Island, USA
9.5km (5.9 miles) ⓘDiamond Hill Granite Company quarry, Diamond Hill, Cumberland, Providence County, Rhode Island, USA
9.7km (6.1 miles) ⓘIron Mine Hill quarry, Cumberland, Providence County, Rhode Island, USA
10.2km (6.3 miles) ⓘManton Avenue Quarry, Manton, Providence, Providence County, Rhode Island, USA
12.9km (8.0 miles) ⓘInterstate 295 / US Route 6 road cuts, Johnston, Providence County, Rhode Island, USA
20.3km (12.6 miles) ⓘSpring Lake, Harrisville, Burrillville, Providence County, Rhode Island, USA
22.6km (14.0 miles) ⓘProspect Hill, Natick, West Warwick, Kent County, Rhode Island, USA
References
Miller, C. E. (1971) Rhode Island Minerals and their Locations. University of Rhode Island.
 
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