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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Rhodochrosite from
Manton Avenue Quarry, Manton, Providence, Providence County, Rhode Island, USA


Locality type:Quarry
Classification
Species:Rhodochrosite
Formula:MnCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Rhodochrosite data
Locality Data:Click here to view Manton Avenue Quarry, Manton, Providence, Providence County, Rhode Island, USA
Data Identifiers
Mindat Occurrence Record ID:37983
Long-form Identifier:1:3:37983:0
GUID (UUID V4):0
Nearest other occurrences of Rhodochrosite
10.2km (6.3 miles) ⓘDexter Quarry (Dexter Lime Quarry), Lime Rock, Lincoln, Providence County, Rhode Island, USA
10.6km (6.6 miles) ⓘConklin Quarry, Lime Rock, Lincoln, Providence County, Rhode Island, USA
96.0km (59.6 miles) ⓘJail Hill Road locality (Jail Hill Quarry), Haddam, Middlesex County, Connecticut, USA
97.5km (60.6 miles) ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
97.5km (60.6 miles) ⓘSchoonmaker Mine, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
References
Stewart, Duncan (1930) Minerals at Manton, Rhode Island. American Mineralogist, 15 (10). 496-498
Miller, C. E. (1971) Rhode Island Minerals and their Locations. University of Rhode Island.
 
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