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Date: 2011-09-13 09:07:46Economic geology Borate minerals Cyclosilicates Igneous rocks Cassiterite Pegmatite Tourmaline Geevor Tin Mine Vein Crystallography Matter Chemistry | Add to Reading ListSource URL: www.ussher.org.ukDownload Document from Source WebsiteFile Size: 572,62 KBShare Document on Facebook |