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
Monarch Quarry, Alexandria, Grafton County, New Hampshire, 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 Monarch Quarry, Alexandria, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:32243
Long-form Identifier:1:3:32243:4
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.3km (0.2 miles) ⓘItaska mine, Alexandria, Grafton County, New Hampshire, USA
1.2km (0.7 miles) ⓘMarston Quarry, Alexandria, Grafton County, New Hampshire, USA
1.2km (0.8 miles) ⓘWadhams-Tucker Quarry, Alexandria, Grafton County, New Hampshire, USA
1.6km (1.0 miles) ⓘTruman Patten Quarry, Alexandria, Grafton County, New Hampshire, USA
2.1km (1.3 miles) ⓘMorgan Mica prospect, Alexandria, Grafton County, New Hampshire, USA
3.1km (1.9 miles) ⓘBullock Quarry, E.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
3.2km (2.0 miles) ⓘNew Haven Mica Quarry, Alexandria, Grafton County, New Hampshire, USA
3.2km (2.0 miles) ⓘMiddle pegmatite, E.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
3.2km (2.0 miles) ⓘE.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
3.3km (2.1 miles) ⓘLower quarry, E.E. Smith Mine, Alexandria, 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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