Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Phengite from
Signal Hill Gold Project, North-East District, Botswana


Locality type:Project
Classification
Species:Muscovite var: Phengite
Formula:KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Phengite data
Locality Data:Click here to view Signal Hill Gold Project, North-East District, Botswana
Data Identifiers
Mindat Occurrence Record ID:1999860
Long-form Identifier:1:3:1999860:0
GUID (UUID V4):0
References
Bineli Betsi, Thierry, Mokane, Lebogang, McFarlane, Chris, Phili, Kelebogile, Kelepile, Tebogo (2020) Multistage gold mineralization events in the Archean Tati greenstone Belt, northeast Botswana: Constraints from integrative white mica Ar/Ar, garnet U-Pb and sulfides Pb/Pb geochronology. Precambrian Research, 339. 105623 doi:10.1016/j.precamres.2020.105623
 
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