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
Palermo No. 1 Mine, Groton, 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 Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:249588
Long-form Identifier:1:3:249588:0
GUID (UUID V4):0
Nearest other occurrences of Oligoclase
7.9km (4.9 miles) ⓘLeggett mica prospect, Rumney, Grafton County, New Hampshire, USA
9.4km (5.9 miles) ⓘMcGinnis Mine (McGinnis Mica Mine; Wilcher and Pilsbury Mine), Wentworth, Grafton County, New Hampshire, USA
18.4km (11.4 miles) ⓘClement Mine, Warren, Grafton County, New Hampshire, USA
24.3km (15.1 miles) ⓘArchertown Brook Occurrences, Orford, Grafton County, New Hampshire, USA
25.9km (16.1 miles) ⓘWhite Mountain Mine, Thornton, Grafton County, New Hampshire, USA
26.1km (16.2 miles) ⓘAaron's Ledge Mine, Springfield, Sullivan County, New Hampshire, USA
34.7km (21.5 miles) ⓘRed Hill, Moultonborough, Carroll County, New Hampshire, USA
47.3km (29.4 miles) ⓘRoute 11 road cuts, Gilford, Belknap County, New Hampshire, USA
64.2km (39.9 miles) ⓘMarr & Gordon Quarry, Barre, Washington County, Vermont, USA
64.4km (40.0 miles) ⓘBruce Quarry, Barre, Washington County, Vermont, USA
References
Segeler, Curt G., Kampf, Anthony R., Ulrich, William, Whitmore, Robert W. (1981) Phosphate Minerals of the: Palermo No.1 Pegmatite. Rocks & Minerals, 56 (5) 197-214 doi:10.1080/00357529.1981.11764597
 
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