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
Aaron's Ledge Mine, Springfield, Sullivan County, New Hampshire, USA


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Aaron's Ledge Mine, Springfield, Sullivan County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:52859
Long-form Identifier:1:3:52859:7
GUID (UUID V4):0
Nearest other occurrences of Quartz
5.4km (3.4 miles) ⓘGeorge Hill, Springfield, Sullivan County, New Hampshire, USA
6.5km (4.0 miles) ⓘRuggles Mine, Grafton, Grafton County, New Hampshire, USA
10.0km (6.2 miles) ⓘFord Garnet Mine, Danbury, Merrimack County, New Hampshire, USA
12.3km (7.7 miles) ⓘMelvin Mountain, Grafton, Grafton County, New Hampshire, USA
12.5km (7.7 miles) ⓘHoyt Hill Quarry, Orange, Grafton County, New Hampshire, USA
14.7km (9.1 miles) ⓘStandard Mine, Orange, Grafton County, New Hampshire, USA
16.6km (10.3 miles) ⓘMud Mica Mine, Alexandria, Grafton County, New Hampshire, USA
16.6km (10.3 miles) ⓘNew Haven Mica Quarry, Alexandria, Grafton County, New Hampshire, USA
16.7km (10.4 miles) ⓘPattuck Quarry, Alexandria, Grafton County, New Hampshire, USA
17.0km (10.6 miles) ⓘRagged Mountain locality, Andover, Merrimack 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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