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
Messiers Tin dredging lease, Cathcart, Wellesley Co., New South Wales, Australia


Locality type:Alluvial Deposit
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 Messiers Tin dredging lease, Cathcart, Wellesley Co., New South Wales, Australia
Data Identifiers
Mindat Occurrence Record ID:1302280
Long-form Identifier:1:3:1302280:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
2.6km (1.6 miles) ⓘKnoxs ML 4, Auckland Co., New South Wales, Australia
5.7km (3.5 miles) ⓘWiles Phosphate Mine, Cathcart, Wellesley Co., New South Wales, Australia
6.6km (4.1 miles) ⓘTantawangalo Lookout prospect, Auckland Co., New South Wales, Australia
10.2km (6.4 miles) ⓘDevils Creek Gold Mine (Tantawangalo Gold Lease; Ramsays Farm), Auckland Co., New South Wales, Australia
11.3km (7.0 miles) ⓘWhitby Barite show, Auckland Co., New South Wales, Australia
12.5km (7.7 miles) ⓘCreewah Wolframite Mines, Wellesley Co., New South Wales, Australia
13.4km (8.3 miles) ⓘSolomons Copper show, Auckland Co., New South Wales, Australia
15.9km (9.9 miles) ⓘCandelo Molybdenum show, Auckland Co., New South Wales, Australia
22.0km (13.7 miles) ⓘCopper Hill Mine, Burragate, Auckland Co., New South Wales, Australia
25.7km (16.0 miles) ⓘUmbacks shaft, Burragate, 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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