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
Tryon Mountain Quarries, Pownal, Cumberland County, Maine, USA


04028160017368059592609.png
Smoky Quartz

Tryon Mountain Quarries, Pownal, Cumberland County, Maine, USA
02842160017368059607720.png
Smoky Quartz

Tryon Mountain Quarries, Pownal, Cumberland County, Maine, USA
04028160017368059592609.png
Smoky Quartz

Tryon Mountain Quarries, Pownal, Cumberland County, Maine, USA
02842160017368059607720.png
Smoky Quartz

Tryon Mountain Quarries, Pownal, Cumberland County, Maine, USA
04428010017272034897779.png
Smoky Quartz

Tryon Mountain Quarries, Pownal, Cumberland County, Maine, USA
02842160017368059607720.png
Smoky Quartz

Tryon Mountain Quarries, Pownal, Cumberland 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 Tryon Mountain Quarries, Pownal, Cumberland County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:32994
Long-form Identifier:1:3:32994:1
GUID (UUID V4):0
Nearest other occurrences of Quartz
2.1km (1.3 miles) ⓘBradbury Mountain State Park locality, Pownal, Cumberland County, Maine, USA
10.8km (6.7 miles) ⓘPorter Landing prospects, Freeport, Cumberland County, Maine, USA
12.7km (7.9 miles) ⓘLaChance Quarry, Brunswick, Cumberland County, Maine, USA
13.5km (8.4 miles) ⓘWolfe's Neck locality, Freeport, Cumberland County, Maine, USA
13.7km (8.5 miles) ⓘPound of Tea Island Epidote locality, Freeport, Cumberland County, Maine, USA
14.8km (9.2 miles) ⓘPejepscot Quarry, Topsham, Sagadahoc County, Maine, USA
16.5km (10.2 miles) ⓘReynolds prospect, Auburn, Androscoggin County, Maine, USA
16.7km (10.4 miles) ⓘRailroad Quarry, Topsham, Sagadahoc County, Maine, USA
17.0km (10.6 miles) ⓘRussell Brothers Quarry, Topsham, Sagadahoc County, Maine, USA
17.0km (10.6 miles) ⓘNorth Russell Brothers Quarry, Topsham, Sagadahoc County, Maine, USA
References
Thompson, W.B., et.al., 1991, Maine Mineral Localities, 2nd edition, Maine Geological Survey, Augusta.
 
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