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
East dump, Havelock Mine, Bulembu, Hhohho Region, Eswatini


Locality type:Tailings Pile
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 East dump, Havelock Mine, Bulembu, Hhohho Region, Eswatini
Data Identifiers
Mindat Occurrence Record ID:1596410
Long-form Identifier:1:3:1596410:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
0.7km (0.5 miles) ⓘWest dump, Havelock Mine, Bulembu, Hhohho Region, Eswatini
35.6km (22.1 miles) ⓘNew Consort Mine, Barberton, Mbombela Local Municipality, Ehlanzeni District Municipality, Mpumalanga, South Africa
41.4km (25.7 miles) ⓘTokwane pegmatites, Mbabane, Hhohho Region, Eswatini
51.2km (31.8 miles) ⓘDokolwayo Mine (Dvokolwayo Mine), Dokolwayo, Lubombo Region, Eswatini
56.4km (35.0 miles) ⓘUitkomst Complex, Waterval, Chief Albert Luthuli Local Municipality, Gert Sibande District Municipality, Mpumalanga, South Africa
57.0km (35.4 miles) ⓘNkomati Mine, Uitkomst Complex, Waterval, Chief Albert Luthuli Local Municipality, Gert Sibande District Municipality, Mpumalanga, South Africa
67.1km (41.7 miles) ⓘM'hlati prospect, Barberton, Mbombela Local Municipality, Ehlanzeni District Municipality, Mpumalanga, South Africa
References
Gan, S, Birrell, L., Robbertze, D., Zhao, B., van Niekerk, E., Ncubi, L. (n.d.) Quality control in tailings resource exploration at Havelock Mine, Eswatini. Journal of the Southern African Institute of Mining and Metallurgy, 122 (7) 347-362 doi:10.17159/2411- 9717/1612/2022
 
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