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
Majestic gold prospect (Imperial), Kalgoorlie-Boulder Shire, Western Australia, 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 Majestic gold prospect (Imperial), Kalgoorlie-Boulder Shire, Western Australia, Australia
Data Identifiers
Mindat Occurrence Record ID:1023947
Long-form Identifier:1:3:1023947:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
8.5km (5.3 miles) ⓘSudden Jerk Gold Mine, Mount Monger, Mount Monger Goldfield, Kalgoorlie-Boulder Shire, Western Australia, Australia
11.2km (7.0 miles) ⓘJuglah Gold Mine, Kalgoorlie-Boulder Shire, Western Australia, Australia
11.5km (7.1 miles) ⓘMount Monger Goldfield, Kalgoorlie-Boulder Shire, Western Australia, Australia
12.0km (7.4 miles) ⓘTransfind Mine, Randalls, Mount Monger Goldfield, Kalgoorlie-Boulder Shire, Western Australia, Australia
13.5km (8.4 miles) ⓘWombola Dam Gold Mine, Mount Monger, Mount Monger Goldfield, Kalgoorlie-Boulder Shire, Western Australia, Australia
14.2km (8.8 miles) ⓘWombola Gold Mine, Mount Monger, Mount Monger Goldfield, Kalgoorlie-Boulder Shire, Western Australia, Australia
19.2km (11.9 miles) ⓘCarnilya Hill Ni Mine, Mount Monger, Mount Monger Goldfield, Kalgoorlie-Boulder Shire, Western Australia, Australia
21.5km (13.4 miles) ⓘStrathfield Gold Mine (North Strathfield; Castle Corner; Storm King; Stratford), Bulong Goldfield, Kalgoorlie-Boulder Shire, Western Australia, Australia
27.4km (17.1 miles) ⓘRandalls, Mount Monger Goldfield, Kalgoorlie-Boulder Shire, Western Australia, Australia
30.9km (19.2 miles) ⓘMount Shea gold prospect, Woolibar Station (Hampton Plains Goldfield), Kalgoorlie-Boulder Shire, Western Australia, Australia
References
Steadman, Jeffrey A., Large, Ross R., Davidson, Garry J., Bull, Stuart W., Thompson, Jay, Ireland, Trevor R., Holden, Peter (2014) Paragenesis and composition of ore minerals in the Randalls BIF-hosted gold deposits, Yilgarn Craton, Western Australia: Implications for the timing of deposit formation and constraints on gold sources. Precambrian Research, 243. 110-132 doi:10.1016/j.precamres.2014.01.002
 
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