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


09169700017365269066603.jpg
Heterosite

Palermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA
09169700017365269066603.jpg
Heterosite

Palermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA
09169700017365269066603.jpg
Heterosite

Palermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA
Locality type:Mine
Classification
Species:Heterosite
Formula:Fe3+(PO4)
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Heterosite data
Locality Data:Click here to view Palermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:50482
Long-form Identifier:1:3:50482:5
GUID (UUID V4):0
Nearest other occurrences of Heterosite
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
5.3km (3.3 miles) ⓘFletcher Mine, Groton, 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
15.6km (9.7 miles) ⓘE.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
52.5km (32.6 miles) ⓘChandlers Mill Quarry, Newport, Sullivan County, New Hampshire, USA
55.4km (34.5 miles) ⓘSargent Mine, Claremont, Sullivan County, New Hampshire, USA
74.4km (46.3 miles) ⓘFitzgibbons Mine, Alstead, Cheshire County, New Hampshire, USA
78.2km (48.6 miles) ⓘParker Mountain Mine, Strafford, Strafford County, New Hampshire, USA
References
Geological Society of America Abstracts with Programs, Vol. 36, No. 5, p. 115
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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