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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Oligoclase from
White Mountain Mine, Thornton, Grafton County, New Hampshire, USA


Locality type:Mine
Classification
Species:Albite var: Oligoclase
Formula:(Na,Ca)[Al(Si,Al)Si2O8]
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Oligoclase data
Locality Data:Click here to view White Mountain Mine, Thornton, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:437997
Long-form Identifier:1:3:437997:3
GUID (UUID V4):0
Nearest other occurrences of Oligoclase
20.7km (12.8 miles) ⓘRed Hill, Moultonborough, Carroll County, New Hampshire, USA
21.0km (13.0 miles) ⓘClement Mine, Warren, Grafton County, New Hampshire, USA
21.7km (13.5 miles) ⓘLeggett mica prospect, Rumney, Grafton County, New Hampshire, USA
24.5km (15.2 miles) ⓘMcGinnis Mine (McGinnis Mica Mine; Wilcher and Pilsbury Mine), Wentworth, Grafton County, New Hampshire, USA
25.9km (16.1 miles) ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
38.1km (23.7 miles) ⓘArchertown Brook Occurrences, Orford, Grafton County, New Hampshire, USA
41.9km (26.0 miles) ⓘRoute 11 road cuts, Gilford, Belknap County, New Hampshire, USA
46.1km (28.6 miles) ⓘJackson Falls, Jackson, Carroll County, New Hampshire, USA
50.3km (31.3 miles) ⓘAaron's Ledge Mine, Springfield, Sullivan County, New Hampshire, USA
55.9km (34.7 miles) ⓘHam and Weeks Mine, Wakefield, Carroll County, New Hampshire, USA
References
Morrill, 1960. NH Mines and Mineral Localities.
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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