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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Spessartine from
Keyes Mica Quarries, Orange, Grafton County, New Hampshire, USA


Locality type:Quarry
Classification
Species:Spessartine
Formula:Mn32+Al2(SiO4)3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Spessartine data
Locality Data:Click here to view Keyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:653182
Long-form Identifier:1:3:653182:9
GUID (UUID V4):0
Nearest other occurrences of Spessartine
9.1km (5.7 miles) ⓘCharles Davis Mine, Groton, Grafton County, New Hampshire, USA
34.6km (21.5 miles) ⓘElizabeth Mine, South Strafford, Strafford, Orange County, Vermont, USA
34.7km (21.5 miles) ⓘHartford, Windsor County, Vermont, USA
69.7km (43.3 miles) ⓘTurner Mine, Marlow, Cheshire County, New Hampshire, USA
75.1km (46.7 miles) ⓘHam and Weeks Mine, Wakefield, Carroll County, New Hampshire, USA
76.4km (47.5 miles) ⓘChickering Mine, Walpole, Cheshire County, New Hampshire, USA
77.3km (48.0 miles) ⓘParker Mountain Mine, Strafford, Strafford County, New Hampshire, USA
95.4km (59.3 miles) ⓘChandler Mine, Raymond, Rockingham County, New Hampshire, USA
References
Smith, Arthur E. (2005) New Hampshire mineral locality index. Rocks & Minerals, 80 (4) 242-261 doi:10.3200/rmin.80.4.242-261
Thompson, Woodrow B., Falster, Alexander U., Mortimer, Thomas J. (2022) The Keyes Mica Mines, Orange, Grafton County, New Hampshire. Rocks & Minerals, 97 (4) 302-329 doi:10.1080/00357529.2022.2053622
 
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