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
New Haven Mica Quarry, Alexandria, Grafton County, New Hampshire, 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 New Haven Mica Quarry, Alexandria, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:32234
Long-form Identifier:1:3:32234:6
GUID (UUID V4):0
Nearest other occurrences of Microcline
0.6km (0.4 miles) ⓘPattuck Quarry, Alexandria, Grafton County, New Hampshire, USA
1.9km (1.2 miles) ⓘMud Mica Mine, Alexandria, Grafton County, New Hampshire, USA
2.3km (1.4 miles) ⓘWadhams-Tucker Quarry, Alexandria, Grafton County, New Hampshire, USA
3.2km (2.0 miles) ⓘTruman Patten Quarry, Alexandria, Grafton County, New Hampshire, USA
3.2km (2.0 miles) ⓘMonarch Quarry, Alexandria, Grafton County, New Hampshire, USA
5.1km (3.2 miles) ⓘMorgan Mica prospect, Alexandria, Grafton County, New Hampshire, USA
8.1km (5.0 miles) ⓘHoyt Hill Quarry, Orange, Grafton County, New Hampshire, USA
11.0km (6.8 miles) ⓘKeyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
11.9km (7.4 miles) ⓘRuggles Mine, Grafton, Grafton County, New Hampshire, USA
14.4km (8.9 miles) ⓘRice Quarry, Groton, Grafton County, New Hampshire, USA
References
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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