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Betafite (of Hogarth 1977) from
Rössing uranium mine, Arandis Constituency, Erongo Region, Namibia


Locality type:Open-Cast Mine
Classification
Species:Pyrochlore Supergroup var: Betafite (of Hogarth 1977)
Formula:(Ca,Na,U)2(Ti, Nb,Ta)2O6(OH)
Comments:betafite occurs as small octahedral to subrounded, isolated, dodecahedral crystals or clusters of crystals up to 2 cm in size,
although commonly of 1-3 mm diameter in the Goanikontes area. Typically, betafite is greenish brown or yellowish brown in colour, although it shows a range from yellowish- or greenish-brown
through grey to progressively darker colours, such as reddish brown or almost black body colour. The proportions of U, Ti, Nb, and Ta vary between betafite grains.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Betafite (of Hogarth 1977) data
Locality Data:Click here to view Rössing uranium mine, Arandis Constituency, Erongo Region, Namibia
Data Identifiers
Mindat Occurrence Record ID:655026
Long-form Identifier:1:3:655026:4
GUID (UUID V4):0
Nearest other occurrences of Betafite (of Hogarth 1977)
22.8km (14.2 miles) ⓘValencia deposit, Karibib Constituency, Erongo Region, Namibia
40.7km (25.3 miles) ⓘGaudeanmus Mine, Arandis Constituency, Erongo Region, Namibia
References
USGS Open File Report 81-1666
von Bezing, Ludi (2007) Namibia - Minerals and Localities (1st ed.). Bode Verlag GmbH.
Irene M. Abraham (2009): Geology and spatial distribution of uranium mineralisation in the SK anomaly area, Rossing area, Namibia, Master thesis University of the Witwatersrand.
 
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