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
Biron Quarry, Sumner, Oxford County, Maine, 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 Biron Quarry, Sumner, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:42533
Long-form Identifier:1:3:42533:3
GUID (UUID V4):0
Nearest other occurrences of Quartz
2.7km (1.7 miles) ⓘKoskela #1 prospect, Woodstock, Oxford County, Maine, USA
2.7km (1.7 miles) ⓘKoskela #2 prospect, Woodstock, Oxford County, Maine, USA
5.1km (3.2 miles) ⓘMount Tom Spar Quarry, Sumner, Oxford County, Maine, USA
6.8km (4.2 miles) ⓘDamon Hill prospect (Chester DiCosta Spar prospect), Sumner, Oxford County, Maine, USA
7.2km (4.5 miles) ⓘLone Star Silver Mine, Woodstock, Oxford County, Maine, USA
7.3km (4.5 miles) ⓘSpeckled Mountain localities, Peru, Oxford County, Maine, USA
7.8km (4.9 miles) ⓘWoodstock Gold and Silver Mine, Woodstock, Oxford County, Maine, USA
8.0km (5.0 miles) ⓘBlack Mountain locality, Peru, Oxford County, Maine, USA
8.4km (5.2 miles) ⓘSnow Falls, West Paris, Oxford County, Maine, USA
8.4km (5.2 miles) ⓘEllingwood Prospect, Paris, Oxford County, Maine, USA
References
 
and/or  
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