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
Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA


01885460017339890719226.jpg
Fairfieldite

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
01943310017272016953035.jpg
Fairfieldite

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
04234030017272016965874.jpg
Fairfieldite

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
08000980017519075673724.jpg
Fairfieldite, etc.

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
04268580017368289351185.jpg
Fairfieldite

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
01943310017272016953035.jpg
Fairfieldite

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
02229090017363513839934.jpg
Fairfieldite

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
08979990017362626787160.jpg
Fairfieldite, etc.

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
01885460017339890719226.jpg
Fairfieldite

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
01943310017272016953035.jpg
Fairfieldite

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
04234030017272016965874.jpg
Fairfieldite

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
08000980017519075673724.jpg
Fairfieldite, etc.

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
Locality type:Quarry
Classification
Species:Fairfieldite
Formula:Ca2Mn2+(PO4)2 · 2H2O
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
SEM-EDS
Associated Minerals Based on Photo Data:
Eosphorite15
Quartz5
- var Rose Quartz5
Muscovite1
Fluorapatite1
Vivianite1
Elbaite1
Data
Mineral Data:Click here to view Fairfieldite data
Locality Data:Click here to view Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
Photo GalleryView Gallery (28 photos)
Data Identifiers
Mindat Occurrence Record ID:32882
Long-form Identifier:1:3:32882:7
GUID (UUID V4):0
Nearest other occurrences of Fairfieldite
45.3km (28.2 miles) ⓘCole Quarry, Stoneham, Oxford County, Maine, USA
45.8km (28.4 miles) ⓘBerry-Havey Quarry, Poland, Androscoggin County, Maine, USA
46.6km (29.0 miles) ⓘKeith Quarry (Towne Quarry), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
47.7km (29.6 miles) ⓘB.B. No. 7 Quarry, Norway, Oxford County, Maine, USA
48.7km (30.3 miles) ⓘTamminen Quarry, Greenwood, Oxford County, Maine, USA
49.4km (30.7 miles) ⓘNoyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA
49.5km (30.7 miles) ⓘMorgan Quarry (Morgan Pit; Upper Noyes Mountain Quarry; Upper Harvard Quarry), Greenwood, Oxford County, Maine, USA
51.0km (31.7 miles) ⓘMount Rubellite Quarries, Mount Rubellite, Hebron, Oxford County, Maine, USA
52.2km (32.4 miles) ⓘMount Mica Quarry, Paris, Oxford County, Maine, USA
52.3km (32.5 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
References
Rocks and Minerals (1999) 74:188,189
Thompson, Woodrow B., Bearss, Gene T., Falster, Alexander U., Simmons, William B., Nizamoff, Jams W. (2000) The Estes Quarry, Cumberland County, Maine: A New Pegmatite Mineral Locality. Rocks & Minerals, 75 (6) 408-418 doi:10.1080/00357520009605667
Anthony R. Kampf, Stuart J. Mills, W.B. Simmons, James W. Nizamoff, and R.W. Whitmore (2012) Falsterite, A New Zinc-Bearing Secondary Phosphate From The Palermo #1 Mine, North Groton, New Hampshire. 39th Rochester Symposium abstracts.
 
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