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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Quartz from
Ide's Ledge quarry, East Providence, Providence County, Rhode Island, USA


Locality type:Quarry
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Ide's Ledge quarry, East Providence, Providence County, Rhode Island, USA
Data Identifiers
Mindat Occurrence Record ID:38484
Long-form Identifier:1:3:38484:1
GUID (UUID V4):0
Nearest other occurrences of Quartz
2.1km (1.3 miles) ⓘSilver Spring, Riverside, East Providence, Providence County, Rhode Island, USA
2.3km (1.4 miles) ⓘVue de l'eau, Riverside, East Providence, Providence County, Rhode Island, USA
3.3km (2.0 miles) ⓘMcCormick quarry (Pierce Field), East Providence, Providence County, Rhode Island, USA
10.1km (6.3 miles) ⓘManton Avenue Quarry, Manton, Providence, Providence County, Rhode Island, USA
10.1km (6.3 miles) ⓘCranston Graphite mine, Cranston, Providence County, Rhode Island, USA
12.1km (7.5 miles) ⓘHarris Quarry (Harris Lime Quarries), Lime Rock, Lincoln, Providence County, Rhode Island, USA
12.1km (7.5 miles) ⓘInterstate highway 295 road cut, Cranston, Providence County, Rhode Island, USA
12.6km (7.8 miles) ⓘValley Falls, Cumberland, Providence County, Rhode Island, USA
12.7km (7.9 miles) ⓘCenterdale, North Providence, Providence County, Rhode Island, USA
14.1km (8.8 miles) ⓘInterstate 295 / US Route 6 road cuts, Johnston, Providence County, Rhode Island, USA
References
Michael W. Kieron collection
 
and/or  
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