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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Microcline from
Noyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Microcline
Formula:K(AlSi3O8)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Microcline data
Locality Data:Click here to view Noyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28967
Long-form Identifier:1:3:28967:0
GUID (UUID V4):0
Nearest other occurrences of Microcline
0.1km (0.0 miles) ⓘMorgan Quarry (Morgan Pit; Upper Noyes Mountain Quarry; Upper Harvard Quarry), Greenwood, Oxford County, Maine, USA
0.4km (0.2 miles) ⓘMustonen Ledge prospect, Greenwood, Oxford County, Maine, USA
0.4km (0.3 miles) ⓘOutback prospect (Gross prospect), Greenwood, Oxford County, Maine, USA
0.5km (0.3 miles) ⓘHayes Ledge Quarries (East and West), Greenwood, Oxford County, Maine, USA
0.8km (0.5 miles) ⓘWaisanen Quarry (Tamminen-Waisanen Quarry), Greenwood, Oxford County, Maine, USA
0.8km (0.5 miles) ⓘTamminen Quarry, Greenwood, Oxford County, Maine, USA
1.0km (0.6 miles) ⓘWitt Hill Chrysoberyl locality, Greenwood, Oxford County, Maine, USA
1.1km (0.7 miles) ⓘHeikkinen Quarry, Greenwood, Oxford County, Maine, USA
1.5km (0.9 miles) ⓘNubble Quarry, Greenwood, Oxford County, Maine, USA
1.6km (1.0 miles) ⓘPatch Mountain Beryl prospect, Greenwood, 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
 
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