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
Aaron's Ledge Mine, Springfield, Sullivan 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 Aaron's Ledge Mine, Springfield, Sullivan County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:654124
Long-form Identifier:1:3:654124:8
GUID (UUID V4):0
Nearest other occurrences of Oligoclase
26.1km (16.2 miles) ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
33.6km (20.9 miles) ⓘLeggett mica prospect, Rumney, Grafton County, New Hampshire, USA
33.7km (20.9 miles) ⓘMcGinnis Mine (McGinnis Mica Mine; Wilcher and Pilsbury Mine), Wentworth, Grafton County, New Hampshire, USA
41.4km (25.7 miles) ⓘArchertown Brook Occurrences, Orford, Grafton County, New Hampshire, USA
43.6km (27.1 miles) ⓘClement Mine, Warren, Grafton County, New Hampshire, USA
50.3km (31.3 miles) ⓘWhite Mountain Mine, Thornton, Grafton County, New Hampshire, USA
51.3km (31.9 miles) ⓘRed Hill, Moultonborough, Carroll County, New Hampshire, USA
53.5km (33.3 miles) ⓘRoute 11 road cuts, Gilford, Belknap County, New Hampshire, USA
56.5km (35.1 miles) ⓘBellows Falls, Rockingham, Windham County, Vermont, USA
66.3km (41.2 miles) ⓘBeedles Quarry, Randolph, Orange County, Vermont, 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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