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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Triphylite from
Dunton Gem Quarry, Newry, Oxford County, Maine, USA


03071280017272287465811.jpg
Triphylite

Dunton Gem Quarry, Newry, Oxford County, Maine, USA
03071280017272287465811.jpg
Triphylite

Dunton Gem Quarry, Newry, Oxford County, Maine, USA
03071280017272287465811.jpg
Triphylite

Dunton Gem Quarry, Newry, Oxford County, Maine, USA
Locality type:Quarry
Classification
Species:Triphylite
Formula:LiFe2+PO4
Comments:Moore (2000) analyzed two triphylite specimens from this locality and found the Mn/Mn + Fe ratio were 0.42 and 0.36.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Triphylite data
Locality Data:Click here to view Dunton Gem Quarry, Newry, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28328
Long-form Identifier:1:3:28328:7
GUID (UUID V4):0
Nearest other occurrences of Triphylite
0.2km (0.1 miles) ⓘCrooker Gem Pegmatite Quarries, Newry, Oxford County, Maine, USA
0.2km (0.1 miles) ⓘBell pit, Newry, Oxford County, Maine, USA
0.3km (0.2 miles) ⓘNevel Quarry, Newry, Oxford County, Maine, USA
0.3km (0.2 miles) ⓘScotty Quarry, Newry, Oxford County, Maine, USA
0.4km (0.3 miles) ⓘFrank Perham prospect, Rumford, Oxford County, Maine, USA
0.8km (0.5 miles) ⓘWhitehall #1 Prospect, Newry, Oxford County, Maine, USA
1.6km (1.0 miles) ⓘPlumbago North Pegmatite, Newry, Oxford County, Maine, USA
7.1km (4.4 miles) ⓘRed Hill quarries, Rumford, Oxford County, Maine, USA
7.7km (4.8 miles) ⓘBlack Mountain Quarry, Rumford, Oxford County, Maine, USA
19.2km (11.9 miles) ⓘLobikis Quarry, Peru, Oxford 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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