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


Locality type:Quarry
Classification
Species:Antigorite
Formula:Mg3(Si2O5)(OH)4
Formation:Primary
Comments:tough, very fine-grained, translucent masses
Colour:light green to apple green
Quality for species:Excellent - world class for species or very significant. (!!)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Antigorite 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:36848
Long-form Identifier:1:3:36848:1
GUID (UUID V4):0
Nearest other occurrences of Antigorite
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
9.1km (5.7 miles) ⓘSneech Pond copper mines (Copper Mine 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
15.1km (9.4 miles) ⓘIde's Ledge quarry, East Providence, Providence County, Rhode Island, USA
50.4km (31.3 miles) ⓘBrenton Cove, Newport, Newport County, Rhode Island, USA
58.8km (36.5 miles) ⓘBolton Lime Quarries (Bolton Quarry; Whitcomb Quarry; Hildreth Quarry), Bolton, Worcester County, Massachusetts, USA
76.3km (47.4 miles) ⓘLynnfield serpentinite area, Lynnfield, Essex County, Massachusetts, USA
References
Gosse, Ralph C. (1962) Gem Stones of Rhode Island. Gems & Minerals, (292) 32.
Miller, C. E. (1971) Rhode Island Minerals and their Locations. University of Rhode Island.
 
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