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


Locality type:Quarry
Classification
Species:Tremolite
Formula:◻Ca2Mg5(Si8O22)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Prehnite3
Axinite-(Fe)3
Data
Mineral Data:Click here to view Tremolite data
Locality Data:Click here to view Manville Quarry, Cumberland, Providence County, Rhode Island, USA
Data Identifiers
Mindat Occurrence Record ID:37444
Long-form Identifier:1:3:37444:6
GUID (UUID V4):0
Nearest other occurrences of Tremolite
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
6.4km (4.0 miles) ⓘConklin Quarry, Lime Rock, Lincoln, Providence County, Rhode Island, USA
7.9km (4.9 miles) ⓘDexter Quarry (Dexter Lime Quarry), Lime Rock, Lincoln, Providence County, Rhode Island, USA
10.9km (6.8 miles) ⓘMasslite Quarry, Plainville, Norfolk County, Massachusetts, USA
16.8km (10.5 miles) ⓘManton Avenue Quarry, Manton, Providence, Providence County, Rhode Island, USA
28.2km (17.5 miles) ⓘAggregate Industries Quarry (Bayer-Mingolla Quarry; Trimount Quarry), Ashland, Middlesex County, Massachusetts, USA
34.7km (21.6 miles) ⓘWest Thompson Dam, West Thompson, Thompson, Windham County, Connecticut, USA
42.7km (26.6 miles) ⓘRoute 9 road cut, Wellesley, Norfolk County, Massachusetts, USA
References
Michael W. Kieron collection
 
and/or  
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