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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Biotite from
Fence Line prospect, Blaxland Co., New South Wales, Australia


Locality type:Prospect
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Fence Line prospect, Blaxland Co., New South Wales, Australia
Data Identifiers
Mindat Occurrence Record ID:1108352
Long-form Identifier:1:3:1108352:2
GUID (UUID V4):0
Nearest other occurrences of Biotite
72.6km (45.1 miles) ⓘFederation Mine, Nymagee, Mouramba Co., New South Wales, Australia
76.9km (47.8 miles) ⓘTallebung, Blaxland Co., New South Wales, Australia
80.7km (50.2 miles) ⓘHera Mine (Hera deposit), Nymagee, Mouramba Co., New South Wales, Australia
83.7km (52.0 miles) ⓘNymagee Copper Mine, Nymagee, Mouramba Co., New South Wales, Australia
References
Gilligan, L.B.; Suppel, D.W. (1993) Nymagee Metallogenic Map 1:250 000. Metallogenic Study and Mineral Deposit Data Sheets SI/55-2. Geological Survey of New South Wales
 
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