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
Tamminen Quarry, Greenwood, 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 Tamminen Quarry, Greenwood, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28434
Long-form Identifier:1:3:28434:7
GUID (UUID V4):0
Nearest other occurrences of Fairfieldite
0.8km (0.5 miles) ⓘMorgan Quarry (Morgan Pit; Upper Noyes Mountain Quarry; Upper Harvard Quarry), Greenwood, Oxford County, Maine, USA
0.8km (0.5 miles) ⓘNoyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA
2.0km (1.2 miles) ⓘB.B. No. 7 Quarry, Norway, Oxford County, Maine, USA
6.2km (3.9 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
13.4km (8.3 miles) ⓘMount Mica Quarry, Paris, Oxford County, Maine, USA
13.9km (8.6 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
17.1km (10.6 miles) ⓘBennett Quarry, Buckfield, Oxford County, Maine, USA
21.7km (13.5 miles) ⓘMount Rubellite Quarries, Mount Rubellite, Hebron, Oxford County, Maine, USA
25.1km (15.6 miles) ⓘCole Quarry, Stoneham, Oxford County, Maine, USA
29.6km (18.4 miles) ⓘDunton Gem Quarry, Newry, Oxford County, Maine, USA
References
Moore, Paul B. (1973) Pegmatite Phosphates: Descriptive Mineralogy and Crystal Chemistry. The Mineralogical Record, 4 (3) 103-130
Mineral News (1993) 9:2 p. 8
 
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