- Rynersonite
Rynersonite (Ca(Ta,Nb)2O6) is a
mineral found in southernCalifornia , near San Diego. It is dull, translucent mineral, fibrous in nature. Usually off-white to pale pink in color. It consists mostly of Tantalum pentoxide and Niobium Pentoxide with trace amounts of sand and calcium oxide.Besides the San Diego, California area, Rynersonite is also found in
Colorado andKampala ,Uganda .External links
* [http://www.mindat.org/min-3488.html Fact sheet] from
mindat.org
* [http://www.webmineral.com/data/Rynersonite.shtml Fact sheet] from [http://webmineral.com webmineral.com]
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