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Zimbabweite



Zimbabweite is a mineral; formula (NaK)2PbAs(NbTaTi)O18. It is generally classed as an arsenite but is notable for also containing niobium and tantalum. A yellow brown minral with orthorhombic crystal habit and a hardness of 5. It was discovered in 1986 in kaolinized pegmatite, i.e. weathered to clay, in Zimbabwe.

 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Zimbabweite". A list of authors is available in Wikipedia.
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