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
Allen Mountain prospect (Allen Mountain Spar opening), Stoneham, Oxford County, Maine, USA


Locality type:Prospect
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Allen Mountain prospect (Allen Mountain Spar opening), Stoneham, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:34135
Long-form Identifier:1:3:34135:0
GUID (UUID V4):0
Nearest other occurrences of Quartz
1.0km (0.6 miles) ⓘWeymouth Hill locality, Stoneham, Oxford County, Maine, USA
1.8km (1.1 miles) ⓘFoster Hill prospects, Stoneham, Oxford County, Maine, USA
1.9km (1.2 miles) ⓘButters Mountain locality, Stoneham, Oxford County, Maine, USA
2.1km (1.3 miles) ⓘVerrill locality, Stoneham, Oxford County, Maine, USA
2.6km (1.6 miles) ⓘHarding Hill prospects, Stoneham, Oxford County, Maine, USA
2.8km (1.7 miles) ⓘKnight #1 and #2 Quarries, Waterford, Oxford County, Maine, USA
3.1km (1.9 miles) ⓘSkillings Hill prospect, Lovell, Oxford County, Maine, USA
3.2km (2.0 miles) ⓘFlat Hill locality, Lovell, Oxford County, Maine, USA
3.4km (2.1 miles) ⓘKenniston Hill Prospect, Lovell, Oxford County, Maine, USA
4.0km (2.5 miles) ⓘKezar River Falls Gorge, Lovell, Oxford County, Maine, USA
References
 
and/or  
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