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
Towle "Gold" mine, Winthrop, Kennebec County, Maine, USA


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Towle "Gold" mine, Winthrop, Kennebec County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:42470
Long-form Identifier:1:3:42470:5
GUID (UUID V4):0
Nearest other occurrences of Quartz
18.9km (11.7 miles) ⓘIron Hill Mine (Iron Hill), Gardiner, Kennebec County, Maine, USA
20.1km (12.5 miles) ⓘSabbatus Mountain, Wales, Androscoggin County, Maine, USA
22.2km (13.8 miles) ⓘState Route 4 road cut, Turner, Androscoggin County, Maine, USA
29.8km (18.5 miles) ⓘPaper Mill Excavation, Jay, Franklin County, Maine, USA
30.1km (18.7 miles) ⓘCoombs Quarries, Bowdoin, Sagadahoc County, Maine, USA
30.9km (19.2 miles) ⓘCity quarry, Lewiston, Androscoggin County, Maine, USA
32.6km (20.3 miles) ⓘWallace Trufant Prospect, Bowdoinham, Sagadahoc County, Maine, USA
32.7km (20.3 miles) ⓘSturtevant Quarry, Minot, Androscoggin County, Maine, USA
32.7km (20.3 miles) ⓘLaFlamme Quarry, Minot, Androscoggin County, Maine, USA
32.9km (20.4 miles) ⓘPhillips Quarry, Minot, Androscoggin County, Maine, USA
References
 
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