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


Locality type:Quarry
Classification
Species:Schorl
Formula:NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view Manton Avenue Quarry, Manton, Providence, Providence County, Rhode Island, USA
Data Identifiers
Mindat Occurrence Record ID:37986
Long-form Identifier:1:3:37986:7
GUID (UUID V4):0
Nearest other occurrences of Schorl
10.1km (6.3 miles) ⓘIde's Ledge quarry, East Providence, Providence County, Rhode Island, USA
10.6km (6.6 miles) ⓘConklin Quarry, Lime Rock, Lincoln, Providence County, Rhode Island, USA
11.8km (7.3 miles) ⓘLynch Quarry, Berkeley, Cumberland, Providence County, Rhode Island, USA
16.1km (10.0 miles) ⓘCumberland Hill, Cumberland, Providence County, Rhode Island, USA
19.0km (11.8 miles) ⓘSneech Pond copper mines (Copper Mine Hill), Cumberland, Providence County, Rhode Island, USA
38.4km (23.9 miles) ⓘWest Thompson Dam, West Thompson, Thompson, Windham County, Connecticut, USA
44.3km (27.5 miles) ⓘNarragansett Pier, Narragansett, Washington County, Rhode Island, USA
59.9km (37.2 miles) ⓘTatnuck Hill quarry, Worcester, Worcester County, Massachusetts, USA
60.3km (37.4 miles) ⓘInterstate 290/Interstate 495 interchange road cuts, Marlborough, Middlesex County, Massachusetts, USA
71.0km (44.1 miles) ⓘQuabbin Aqueduct Shaft #4 locality, Holden, Worcester County, Massachusetts, 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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