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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Smoky Quartz from
Jackson Granite quarry, Coventry, Kent County, Rhode Island, USA


Locality type:Quarry
Classification
Species:Quartz var: Smoky Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Smoky Quartz data
Locality Data:Click here to view Jackson Granite quarry, Coventry, Kent County, Rhode Island, USA
Data Identifiers
Mindat Occurrence Record ID:38498
Long-form Identifier:1:3:38498:4
GUID (UUID V4):0
Nearest other occurrences of Smoky Quartz
4.0km (2.5 miles) ⓘNipmuck quarry, Scituate, Providence County, Rhode Island, USA
25.1km (15.6 miles) ⓘWest Kingston, South Kingstown, Washington County, Rhode Island, USA
26.1km (16.2 miles) ⓘKingston Hill, South Kingstown, Washington County, Rhode Island, USA
30.0km (18.7 miles) ⓘConklin Quarry, Lime Rock, Lincoln, Providence County, Rhode Island, USA
30.5km (18.9 miles) ⓘBonnet Shores, Narragansett, Washington County, Rhode Island, USA
30.6km (19.0 miles) ⓘDexter Quarry (Dexter Lime Quarry), Lime Rock, Lincoln, Providence County, Rhode Island, USA
30.7km (19.1 miles) ⓘHarris Quarry (Harris Lime Quarries), Lime Rock, Lincoln, Providence County, Rhode Island, USA
33.6km (20.9 miles) ⓘNarragansett Pier, Narragansett, Washington County, Rhode Island, USA
35.3km (22.0 miles) ⓘSullivan Quarry (Armetta Quarry; Copar Quarry; Westerly Granite Co. Quarry), Bradford, Westerly, Washington County, Rhode Island, USA
35.7km (22.2 miles) ⓘWhite Rock Quarry, Westerly, Washington County, Rhode Island, USA
References
 
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