My periodic table poster is now available! Platinum ore from Jensan Set. This sample represents platinum 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: Pt