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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Uranophane from
Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA


Locality type:Mine
Classification
Species:Uranophane
Formula:Ca(UO2)2(SiO3OH)2 · 5H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Uranophane data
Locality Data:Click here to view Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:147206
Long-form Identifier:1:3:147206:6
GUID (UUID V4):0
Nearest other occurrences of Uranophane
7.8km (4.8 miles) ⓘKeyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
15.4km (9.6 miles) ⓘPattuck Quarry, Alexandria, Grafton County, New Hampshire, USA
15.4km (9.6 miles) ⓘE.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
19.6km (12.2 miles) ⓘRuggles Mine, Grafton, Grafton County, New Hampshire, USA
71.3km (44.3 miles) ⓘBeryl Mountain Quarry, South Acworth, Acworth, Sullivan County, New Hampshire, USA
77.4km (48.1 miles) ⓘTurner Mine, Marlow, Cheshire County, New Hampshire, USA
77.9km (48.4 miles) ⓘParker Mountain Mine, Strafford, Strafford County, New Hampshire, USA
80.3km (49.9 miles) ⓘBig Mine, Alstead, Cheshire County, New Hampshire, USA
91.5km (56.9 miles) ⓘLord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA
93.1km (57.9 miles) ⓘCole Quarry, Stoneham, Oxford County, Maine, USA
References
USGS Prof Paper 353
Verrow, Harold J. (1941) Pegmatite minerals of the Palermo quarry, North Groton, New Hampshire. Rocks & Minerals, 16 (6) 208-211
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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