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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Fluorcalciomicrolite from
Zishineni, Sinceni West area, Sinceni pegmatite field, Sinceni Mountain, Lubombo Region, Eswatini


Classification
Species:Fluorcalciomicrolite
Formula:(Ca,Na)2(Ta,Nb)2O6F
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Fluorcalciomicrolite data
Locality Data:Click here to view Zishineni, Sinceni West area, Sinceni pegmatite field, Sinceni Mountain, Lubombo Region, Eswatini
Data Identifiers
Mindat Occurrence Record ID:1350540
Long-form Identifier:1:3:1350540:8
GUID (UUID V4):0
References
Grew, Edward S., Bosi, Ferdinando, Ros, Linus, Kristiansson, Per, Gunter, Mickey E., Hålenius, Ulf, Trumbull, Robert B., Yates, Martin G. (2018) Fluor-elbaite, lepidolite and Ta–Nb oxides from a pegmatite of the 3000 Ma Sinceni Pluton, Swaziland: evidence for lithium–cesium–tantalum (LCT) pegmatites in the Mesoarchean. European Journal of Mineralogy, 30 (2) 205-218 doi:10.1127/ejm/2017/0029-2686
 
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