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
Koskela #2 prospect, Woodstock, 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 Koskela #2 prospect, Woodstock, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:42100
Long-form Identifier:1:3:42100:9
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.0km (0.0 miles) ⓘKoskela #1 prospect, Woodstock, Oxford County, Maine, USA
2.7km (1.7 miles) ⓘBiron Quarry, Sumner, Oxford County, Maine, USA
6.0km (3.8 miles) ⓘWoodstock Gold and Silver Mine, Woodstock, Oxford County, Maine, USA
6.3km (3.9 miles) ⓘMount Tom Spar Quarry, Sumner, Oxford County, Maine, USA
6.5km (4.0 miles) ⓘLone Star Silver Mine, Woodstock, Oxford County, Maine, USA
6.8km (4.2 miles) ⓘA.C. Perham Quarry, West Paris, Oxford County, Maine, USA
7.1km (4.4 miles) ⓘSnow Falls, West Paris, Oxford County, Maine, USA
8.4km (5.2 miles) ⓘDamon Hill prospect (Chester DiCosta Spar prospect), Sumner, Oxford County, Maine, USA
8.4km (5.2 miles) ⓘEllingwood Prospect, Paris, Oxford County, Maine, USA
8.5km (5.3 miles) ⓘSpeckled Mountain localities, Peru, Oxford County, Maine, USA
References
King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.
 
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