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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Cassiterite from
Parker Mountain Mine, Strafford, Strafford County, New Hampshire, USA


Locality type:Mine
Classification
Species:Cassiterite
Formula:SnO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cassiterite data
Locality Data:Click here to view Parker Mountain Mine, Strafford, Strafford County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:50829
Long-form Identifier:1:3:50829:2
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
35.2km (21.9 miles) ⓘNational Refuge borehole (NR1), Great Bay National Wildlife Refuge, Newington, Rockingham County, New Hampshire, USA
38.0km (23.6 miles) ⓘMount Agamenticus, York, York County, Maine, USA
56.6km (35.2 miles) ⓘGrant Peak, Ossipee, Carroll County, New Hampshire, USA
78.3km (48.7 miles) ⓘLovejoy Gravel pits, Conway, Carroll County, New Hampshire, USA
79.0km (49.1 miles) ⓘGovernment pit, Albany, Carroll County, New Hampshire, USA
79.9km (49.6 miles) ⓘMoose pocket, Blue Mountain, Albany, Carroll County, New Hampshire, USA
82.0km (50.9 miles) ⓘMiddle Moat Mountain locality, Hale's Location, Carroll County, New Hampshire, USA
90.1km (56.0 miles) ⓘSargent Mine, Claremont, Sullivan County, New Hampshire, USA
94.9km (59.0 miles) ⓘTurner Mine, Marlow, Cheshire County, New Hampshire, USA
95.2km (59.1 miles) ⓘJackson tin mines, Jackson, Carroll County, New Hampshire, USA
References
Mr. Dana Morong
Rocks & Minerals 80:4 pp234-241
Switzer, George (1938) The paragenesis of the Center Strafford, New Hampshire, pegmatite. American Mineralogist, 23 (11) 811-820
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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