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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Nontronite from
Houtenbeck, Groblersdal, Elias Motsoaledi Local Municipality, Sekhukhune District Municipality, Limpopo, South Africa


Locality type:Farm
Classification
Species:Nontronite
Formula:Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Nontronite data
Locality Data:Click here to view Houtenbeck, Groblersdal, Elias Motsoaledi Local Municipality, Sekhukhune District Municipality, Limpopo, South Africa
Data Identifiers
Mindat Occurrence Record ID:1091670
Long-form Identifier:1:3:1091670:0
GUID (UUID V4):0
Nearest other occurrences of Nontronite
83.5km (51.9 miles) ⓘEdendale Lead Mine, City of Tshwane Metropolitan Municipality, Gauteng, South Africa
91.8km (57.0 miles) ⓘBuffalo Fluorspar Mine, Mookgophong, Modimolle-Mookgophong Local Municipality, Waterberg District Municipality, Limpopo, South Africa
References
Atanasova, M., Cairncross, B. and Windisch, W.R. (2016) Microminerals of the Bushveld Complex, South Africa. Popular Geoscience Series 6, Council for Geoscience, Pretoria, South Africa, 110 pg
 
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