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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Graftonite from
Beauregard Mine, Alstead, Cheshire County, New Hampshire, USA


Locality type:Mine
Classification
Species:Graftonite
Formula:Fe2+Fe22+(PO4)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Graftonite data
Locality Data:Click here to view Beauregard Mine, Alstead, Cheshire County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:101059
Long-form Identifier:1:3:101059:6
GUID (UUID V4):0
Nearest other occurrences of Graftonite
0.5km (0.3 miles) ⓘFrench Mine, Alstead, Cheshire County, New Hampshire, USA
6.4km (4.0 miles) ⓘTurner Mine, Marlow, Cheshire County, New Hampshire, USA
29.5km (18.4 miles) ⓘSargent Mine, Claremont, Sullivan County, New Hampshire, USA
32.2km (20.0 miles) ⓘChandlers Mill Quarry, Newport, Sullivan County, New Hampshire, USA
62.5km (38.9 miles) ⓘRuggles Mine, Grafton, Grafton County, New Hampshire, USA
66.9km (41.6 miles) ⓘMelvin Mountain, Grafton, Grafton County, New Hampshire, USA
70.7km (43.9 miles) ⓘE.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
74.5km (46.3 miles) ⓘKeyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
74.5km (46.3 miles) ⓘNo. 1 pit, Keyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
81.3km (50.5 miles) ⓘRice Quarry, Groton, Grafton County, New Hampshire, USA
References
Januzzi, Ron E., Seaman, David M. (1976) Mineral Localities of Connecticut and Southeastern New York State and Pegmatite Minerals of the World. The Mineralogical Press, Danbury, Connecticut, USA.
 
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