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
Lobikis Quarry, Peru, 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 Lobikis Quarry, Peru, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28989
Long-form Identifier:1:3:28989:2
GUID (UUID V4):0
Nearest other occurrences of Quartz
4.0km (2.5 miles) ⓘHedgehog Hill Quarry, Peru, Oxford County, Maine, USA
5.0km (3.1 miles) ⓘPinnacle Prospect, Peru, Oxford County, Maine, USA
5.7km (3.6 miles) ⓘSpeckled Mountain localities, Peru, Oxford County, Maine, USA
6.0km (3.7 miles) ⓘBlack Mountain locality, Peru, Oxford County, Maine, USA
6.2km (3.9 miles) ⓘDavis Silver mine, Milton, Oxford County, Maine, USA
6.5km (4.0 miles) ⓘBean Mountain Mica prospect, Milton, Oxford County, Maine, USA
6.5km (4.0 miles) ⓘBean Mountain "Gold" mine, Milton, Oxford County, Maine, USA
6.8km (4.2 miles) ⓘRumford Falls, Rumford, Oxford County, Maine, USA
7.1km (4.4 miles) ⓘMount Glines mine, Milton, Oxford County, Maine, USA
9.9km (6.1 miles) ⓘLone Star Silver Mine, Woodstock, Oxford County, Maine, USA
References
Cameron, Eugene N.
Cameron, Eugene N., Larrabee, David M., McNair, Andrew H., Page, James J., Stewart, Glen W., Shainin, Vincent E. (1954) Pegmatite Investigations, 1942-45, in New England. Geological Survey Professional Paper 255. US Geological Survey doi:10.3133/pp255
Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey
 
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