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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Fairfieldite from
Black Mountain Quarry, Rumford, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Fairfieldite
Formula:Ca2Mn2+(PO4)2 · 2H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Fairfieldite data
Locality Data:Click here to view Black Mountain Quarry, Rumford, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28638
Long-form Identifier:1:3:28638:1
GUID (UUID V4):0
Nearest other occurrences of Fairfieldite
7.5km (4.6 miles) ⓘBell pit, Newry, Oxford County, Maine, USA
7.5km (4.7 miles) ⓘNevel Quarry, Newry, Oxford County, Maine, USA
7.7km (4.8 miles) ⓘDunton Gem Quarry, Newry, Oxford County, Maine, USA
29.4km (18.3 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
32.8km (20.4 miles) ⓘNoyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA
32.8km (20.4 miles) ⓘMorgan Quarry (Morgan Pit; Upper Noyes Mountain Quarry; Upper Harvard Quarry), Greenwood, Oxford County, Maine, USA
33.6km (20.9 miles) ⓘTamminen Quarry, Greenwood, Oxford County, Maine, USA
35.1km (21.8 miles) ⓘB.B. No. 7 Quarry, Norway, Oxford County, Maine, USA
35.2km (21.9 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
36.9km (22.9 miles) ⓘBennett Quarry, Buckfield, Oxford County, Maine, USA
References
Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey
 
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