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
Outback prospect (Gross prospect), Greenwood, Oxford County, Maine, USA


08732230017369739958831.jpg
Quartz

Outback prospect, Greenwood, Oxford County, Maine, USA
08732230017369739958831.jpg
Quartz

Outback prospect, Greenwood, Oxford County, Maine, USA
02955950017369739968592.jpg
Quartz

Outback prospect, Greenwood, Oxford County, Maine, USA
Locality type:Prospect
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Fluorapatite1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Outback prospect (Gross prospect), Greenwood, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:649486
Long-form Identifier:1:3:649486:5
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.1km (0.1 miles) ⓘHayes Ledge Quarries (East and West), Greenwood, Oxford County, Maine, USA
0.2km (0.1 miles) ⓘDiamond Ledge Locality, Greenwood, Oxford County, Maine, USA
0.2km (0.1 miles) ⓘMustonen Ledge prospect, Greenwood, Oxford County, Maine, USA
0.4km (0.2 miles) ⓘNoyes Mountain outcrops, Greenwood, Oxford County, Maine, USA
0.4km (0.2 miles) ⓘMorgan Quarry (Morgan Pit; Upper Noyes Mountain Quarry; Upper Harvard Quarry), Greenwood, Oxford County, Maine, USA
0.4km (0.3 miles) ⓘNoyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA
0.7km (0.5 miles) ⓘHeikkinen Quarry, Greenwood, Oxford County, Maine, USA
0.9km (0.6 miles) ⓘWitt Hill Chrysoberyl locality, Greenwood, Oxford County, Maine, USA
1.1km (0.7 miles) ⓘWaisanen Quarry (Tamminen-Waisanen Quarry), Greenwood, Oxford County, Maine, USA
1.1km (0.7 miles) ⓘTamminen Quarry, Greenwood, Oxford County, Maine, USA
References
King, Van (n.d.) Personal communcation.
 
and/or  
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