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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
Gladstone Mine (Cobar Gladstone Mine), Cobar, Robinson Co., New South Wales, Australia


Locality type:Mine
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 Gladstone Mine (Cobar Gladstone Mine), Cobar, Robinson Co., New South Wales, Australia
Data Identifiers
Mindat Occurrence Record ID:1095969
Long-form Identifier:1:3:1095969:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.0km (0.6 miles) ⓘNew Cobar Mine (Cobar gold mine; Jubilee), Cobar, Robinson Co., New South Wales, Australia
46.2km (28.7 miles) ⓘBeanbah Prospect, Coronga Downs, Robinson Co., New South Wales, Australia
73.8km (45.9 miles) ⓘNymagee Copper Mine, Nymagee, Mouramba Co., New South Wales, Australia
78.8km (49.0 miles) ⓘHera Mine (Hera deposit), Nymagee, Mouramba Co., New South Wales, Australia
84.3km (52.4 miles) ⓘWilga Downs prospect, Cowper Co., New South Wales, Australia
87.0km (54.1 miles) ⓘFederation Mine, Nymagee, Mouramba Co., New South Wales, Australia
References
Gilligan, L.B., Byrnes, J.G. (1995) Cobar Metallogenic Map 1:250 000. Metallogenic Study and Mineral Deposit Data Sheets SH/55-14. Geological Survey of New South Wales
 
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