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
B.B. No. 7 Quarry, Norway, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Heterosite
Formula:Fe3+(PO4)
Comments:Parent triphylite/lithiophilite from the BB #7 Quarry has the unenviable ratio Fe:Mn = 1:1, although the actual analysis was infinitesimally richer in Mn than Fe.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Heterosite data
Locality Data:Click here to view B.B. No. 7 Quarry, Norway, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:34248
Long-form Identifier:1:3:34248:3
GUID (UUID V4):0
Nearest other occurrences of Heterosite
1.9km (1.2 miles) ⓘWaisanen Quarry (Tamminen-Waisanen Quarry), Greenwood, Oxford County, Maine, USA
8.2km (5.1 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
12.0km (7.4 miles) ⓘMount Mica Quarry, Paris, Oxford County, Maine, USA
12.8km (7.9 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
16.8km (10.4 miles) ⓘMount Marie Quarries, Paris, Oxford County, Maine, USA
26.3km (16.3 miles) ⓘCole Quarry, Stoneham, Oxford County, Maine, USA
26.5km (16.5 miles) ⓘLobikis Quarry, Peru, Oxford County, Maine, USA
26.8km (16.6 miles) ⓘLord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA
31.1km (19.3 miles) ⓘRed Hill quarries, Rumford, Oxford County, Maine, USA
31.3km (19.5 miles) ⓘDunton Gem Quarry, Newry, Oxford County, Maine, 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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