Pyrochlore from Jensan Set.
This sample represents niobium in the "The Grand Tour of the Periodic Table" mineral collection from Jensan Scientifics. Visit my page about element collecting for a general description, or see photographs of all the samples from the set in a periodic table layout or with bigger pictures in numerical order.
Source: Jensan Scientifics
Contributor: Theodore Gray
Acquired: 30 October, 2008
Text Updated: 31 October, 2008
Price: Anonymous
Size: 1"
Composition: (Ca,Na)2Nb2O6(OH,F)
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