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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Biotite from
Netley Hill prospect, Pastoral Unincorporated Area, South Australia, Australia


Locality type:Occurrence
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 Netley Hill prospect, Pastoral Unincorporated Area, South Australia, Australia
Data Identifiers
Mindat Occurrence Record ID:1632011
Long-form Identifier:1:3:1632011:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
18.4km (11.4 miles) ⓘAnabama Hill Cu deposit, Anabama Hill, Pastoral Unincorporated Area, South Australia, Australia
36.4km (22.6 miles) ⓘThunder Queen Mine, Wadnaminga goldfield, Pastoral Unincorporated Area, South Australia, Australia
70.5km (43.8 miles) ⓘBendigo prospect, Warnes, Pastoral Unincorporated Area, South Australia, Australia
75.8km (47.1 miles) ⓘRadium Hill Mine, Radium Hill area, Pastoral Unincorporated Area, South Australia, Australia
76.0km (47.2 miles) ⓘRadium Hill West lode, Radium Hill area, Pastoral Unincorporated Area, South Australia, Australia
76.2km (47.4 miles) ⓘRailway prospect, Radium Hill area, Pastoral Unincorporated Area, South Australia, Australia
76.7km (47.7 miles) ⓘRadium Hill area, Pastoral Unincorporated Area, South Australia, Australia
77.0km (47.8 miles) ⓘAlbegudina Creek, Bimbowrie Conservation Park, Pastoral Unincorporated Area, South Australia, Australia
77.5km (48.1 miles) ⓘQueen Bee Mine, New Luxemburg Goldfield, Radium Hill area, Pastoral Unincorporated Area, South Australia, Australia
77.8km (48.4 miles) ⓘLuxemburg North Mine, New Luxemburg Goldfield, Radium Hill area, Pastoral Unincorporated Area, South Australia, Australia
References
Hong, Wei, Fabris, Adrian, Wise, Tom, Collins, Alan S., Gilbert, Sarah, Selby, David, Curtis, Stacey, Reid, Anthony J. (2023) Metallogenic Setting and Temporal Evolution of Porphyry Cu-Mo Mineralization and Alteration in the Delamerian Orogen, South Australia: Insights From Zircon U-Pb, Molybdenite Re-Os, and In Situ White Mica Rb-Sr Geochronology. Economic Geology, 118 (6) 1291-1318 doi:10.5382/econgeo.5012
 
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