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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Purpurite from
Mount Mica Quarry, Paris, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Purpurite
Formula:Mn3+(PO4)
Comments:The source material is iron-rich and heterosite has been chemically verified. Moore (2000) analyzed triphylite from this locality and found the Mn/Mn + Fe ratio was 0.47
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Purpurite data
Locality Data:Click here to view Mount Mica Quarry, Paris, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28236
Long-form Identifier:1:3:28236:7
GUID (UUID V4):0
Nearest other occurrences of Purpurite
2.9km (1.8 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
4.5km (2.8 miles) ⓘBennett Quarry, Buckfield, Oxford County, Maine, USA
12.0km (7.4 miles) ⓘB.B. No. 7 Quarry, Norway, Oxford County, Maine, USA
13.4km (8.3 miles) ⓘTamminen Quarry, Greenwood, Oxford County, Maine, USA
18.6km (11.6 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
24.0km (14.9 miles) ⓘGroves Quarry (Hole in the Ground Quarry), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
24.1km (15.0 miles) ⓘWade Quarry (Androscoggin Tourmaline prospect), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
24.2km (15.0 miles) ⓘPulsifer Quarry & Dionne extension, West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
24.2km (15.1 miles) ⓘKeith Quarry (Towne Quarry), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
24.9km (15.4 miles) ⓘMaine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
References
King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.
King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.pp.333-336
 
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