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Date: 2008-06-25 10:49:49 Oxide minerals Aeschynite- Samarskite- Mineral Euxenite Polycrase Columbite Fergusonite Matter Chemistry Natural resources		Add to Reading List Source URL: rruff.info Download Document from Source Website File Size: 820,35 KB Share Document on Facebook

$Chemical elements / Refractory metals / Transition metals / Niobium / Tantalum / Ferroniobium / Coltan / Euxenite / Avalon Rare Metals / Matter / Chemistry / Oxide minerals$	2011 Minerals Yearbook NIOBIUM AND TANTALUM [ADVANCE RELEASE] U.S. Department of the Interior U.S. Geological Survey DocID: bLFC - View Document
	Euxenite-(Y) (Y, Ca, Ce, U, Th)(Nb, Ta, Ti)2O6 DocID: 4CXS - View Document
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