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
Captain's Flat Mines, Captain's Flat, Lake George, Murray 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 Captain's Flat Mines, Captain's Flat, Lake George, Murray Co., New South Wales, Australia
Data Identifiers
Mindat Occurrence Record ID:1243301
Long-form Identifier:1:3:1243301:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
63.3km (39.4 miles) ⓘMogendoura Mine, St Vincent Co., New South Wales, Australia
64.1km (39.8 miles) ⓘUndoo Creek workings, Numeralla, Beresford Co., New South Wales, Australia
67.0km (41.7 miles) ⓘDonkey Hill Mine (Golden reef), Moruya, Dampier Co., New South Wales, Australia
67.6km (42.0 miles) ⓘFrancis Hill Mine (Foremans lode), Moruya, Dampier Co., New South Wales, Australia
76.8km (47.7 miles) ⓘCooma, Beresford Co., New South Wales, Australia
85.9km (53.4 miles) ⓘKyloe Copper Mine, Eucumbene, Wallace Co., New South Wales, Australia
87.6km (54.4 miles) ⓘMyalla Road Syenite Complex, Cooma, Beresford Co., New South Wales, Australia
89.0km (55.3 miles) ⓘKydra Reefs, Beresford Co., New South Wales, Australia
91.3km (56.8 miles) ⓘKiandra, Wallace Co., New South Wales, Australia
91.6km (56.9 miles) ⓘGegedzerick Copper Mine (Gegedzerick Copper Lode; Gegedric Mine; Cootralantra M.C.P.'s), Berridale, Wallace Co., New South Wales, Australia
References
Davis, L.W. (1972) Geological report in part of the Captains Flat district, NSW - EL 103. NSW Geological Survey report GS 1972/461, for Electrolytic Zinc Co of A/asia Ltd, 121 pages plus figures.
 
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