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
West Thompson Dam, West Thompson, Thompson, Windham County, Connecticut, USA


Locality type:Dam
Classification
Species:Tremolite
Formula:◻Ca2Mg5(Si8O22)(OH)2
Comments:Included in a list of minerals for the locality without any supporting information or photos.
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Tremolite data
Locality Data:Click here to view West Thompson Dam, West Thompson, Thompson, Windham County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:97407
Long-form Identifier:1:3:97407:9
GUID (UUID V4):0
Nearest other occurrences of Tremolite
34.7km (21.6 miles) ⓘManville Quarry, Cumberland, Providence County, Rhode Island, USA
36.5km (22.7 miles) ⓘConklin Quarry, Lime Rock, Lincoln, Providence County, Rhode Island, USA
37.8km (23.5 miles) ⓘSneech Pond copper mines (Copper Mine Hill), Cumberland, Providence County, Rhode Island, USA
37.9km (23.6 miles) ⓘBeacon Pole Hill quarry, Cumberland, Providence County, Rhode Island, USA
38.4km (23.9 miles) ⓘManton Avenue Quarry, Manton, Providence, Providence County, Rhode Island, USA
38.5km (23.9 miles) ⓘDexter Quarry (Dexter Lime Quarry), Lime Rock, Lincoln, Providence County, Rhode Island, USA
40.0km (24.8 miles) ⓘGrants Mills, Cumberland, Providence County, Rhode Island, USA
45.4km (28.2 miles) ⓘMasslite Quarry, Plainville, Norfolk County, Massachusetts, USA
47.2km (29.4 miles) ⓘAggregate Industries Quarry (Bayer-Mingolla Quarry; Trimount Quarry), Ashland, Middlesex County, Massachusetts, USA
52.8km (32.8 miles) ⓘInterstate 290/Interstate 495 interchange road cuts, Marlborough, Middlesex County, Massachusetts, USA
References
Weber, Marcelle H., Sullivan, Earle C. (1995) Connecticut Mineral Locality Index. Rocks & Minerals, 70 (6) 396-409 doi:10.1080/00357529.1995.11761569
 
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