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
Chandlers Mill Quarry, Newport, Sullivan County, New Hampshire, USA


Locality type:Quarry
Classification
Species:Heterosite
Formula:Fe3+(PO4)
Comments:Parent triphylite from this locality has Mn/Mn + Fe = 0.09 (Moore, 2000; Chapman, 1943). The reason for this remarkable ratio is the large MgO content (7.38 weight percent).
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Heterosite data
Locality Data:Click here to view Chandlers Mill Quarry, Newport, Sullivan County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:32305
Long-form Identifier:1:3:32305:3
GUID (UUID V4):0
Nearest other occurrences of Heterosite
2.9km (1.8 miles) ⓘSargent Mine, Claremont, Sullivan County, New Hampshire, USA
23.9km (14.9 miles) ⓘFitzgibbons Mine, Alstead, Cheshire County, New Hampshire, USA
32.2km (20.0 miles) ⓘChickering Mine, Walpole, Cheshire County, New Hampshire, USA
44.2km (27.5 miles) ⓘE.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
44.8km (27.9 miles) ⓘKeyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
51.7km (32.1 miles) ⓘRice Quarry, Groton, Grafton County, New Hampshire, USA
52.5km (32.6 miles) ⓘPalermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA
52.6km (32.7 miles) ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
56.3km (35.0 miles) ⓘFletcher Mine, Groton, Grafton County, New Hampshire, USA
62.9km (39.1 miles) ⓘEight-Ball Mica prospect, Rumney, Grafton County, New Hampshire, USA
References
King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.pp.333-336
 
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