Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Biotite from
Tantawangalo Lookout prospect, Auckland 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 Tantawangalo Lookout prospect, Auckland Co., New South Wales, Australia
Data Identifiers
Mindat Occurrence Record ID:1343568
Long-form Identifier:1:3:1343568:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
4.0km (2.5 miles) ⓘKnoxs ML 4, Auckland Co., New South Wales, Australia
4.0km (2.5 miles) ⓘDevils Creek Gold Mine (Tantawangalo Gold Lease; Ramsays Farm), Auckland Co., New South Wales, Australia
6.6km (4.1 miles) ⓘMessiers Tin dredging lease, Cathcart, Wellesley Co., New South Wales, Australia
6.9km (4.3 miles) ⓘSolomons Copper show, Auckland Co., New South Wales, Australia
9.3km (5.8 miles) ⓘCandelo Molybdenum show, Auckland Co., New South Wales, Australia
12.2km (7.6 miles) ⓘWiles Phosphate Mine, Cathcart, Wellesley Co., New South Wales, Australia
14.8km (9.2 miles) ⓘWhitby Barite show, Auckland Co., New South Wales, Australia
15.5km (9.6 miles) ⓘCreewah Wolframite Mines, Wellesley Co., New South Wales, Australia
22.1km (13.7 miles) ⓘCopper Hill Mine, Burragate, Auckland Co., New South Wales, Australia
22.5km (14.0 miles) ⓘWhipstick Mine, Wyndham, Auckland Co., New South Wales, Australia
References
Hertzberger, G.A., Barnes, R.G. (1978) Mine Data Sheets to accompany Metallogenic Map Bega 1:125 000 Sheet (SJ-55-4). Geological Survey of New South Wales, Department of Mines.
 
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