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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Triphylite from
Palermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA


Locality type:Mine
Classification
Species:Triphylite
Formula:LiFe2+PO4
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Biotite1
Data
Mineral Data:Click here to view Triphylite data
Locality Data:Click here to view Palermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:50483
Long-form Identifier:1:3:50483:4
GUID (UUID V4):0
Nearest other occurrences of Triphylite
0.3km (0.2 miles) ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
0.8km (0.5 miles) ⓘRice Quarry, Groton, Grafton County, New Hampshire, USA
1.4km (0.9 miles) ⓘCharles Davis Mine, Groton, Grafton County, New Hampshire, USA
5.3km (3.3 miles) ⓘFletcher Mine, Groton, Grafton County, New Hampshire, USA
7.7km (4.8 miles) ⓘNo. 1 pit, Keyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
7.7km (4.8 miles) ⓘKeyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
10.7km (6.6 miles) ⓘEight-Ball Mica prospect, Rumney, Grafton County, New Hampshire, USA
15.4km (9.6 miles) ⓘBullock Quarry, E.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
15.5km (9.6 miles) ⓘPattuck Quarry, Alexandria, Grafton County, New Hampshire, USA
15.6km (9.7 miles) ⓘE.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
References
Geological Society of America Abstracts with Programs, Vol. 36, No. 5, p. 115
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
NIZAMOFF, J. W. (2004, November). Phosphate mineralogy and paragenesis of the Palermo# 2 pegmatite, North Groton, New Hampshire. In 2004 Denver Annual Meeting.
 
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