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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

	CONFLICT MINERALS POLICY Gold, columbite-tantalite, cassiterite, wolframite and their “3T” derivatives, which are tantalum, tin and tungsten (collectively referred to herein as the “Designated Minerals”) are some DocID: 19mUD - View Document
	J. Phys.: Condens. Matter–7033. Printed in the UK PII: S0953Iron oxidation and order–disorder in the (Fe2+ , Mn)(Ta, Nb)2 O6 →(Fe2+ , Mn)Fe3+ (Ta, Nb)2 O8 transition DocID: 18hZZ - View Document
	616 Brazilian Journal of Physics, vol. 31, no. 4, December, 2001 Crystal Chemistry and Structure of the Orthorhombic (Fe,Mn)(Ta,Nb)2O6 Family of Compounds DocID: 17yMq - View Document
	Journal of Solid State Chemistry 163, 218}doi:jssc, available online at http://www.idealibrary.com on Coexistence of Rutile and Trirutile Phases in a Natural Tapiolite Sample E. J. Kinast, L. DocID: 17vHq - View Document
	ON THE ORIGIN OF STATES: STATIONARY BANDITS AND TAXATION IN EASTERN CONGO Ra´ ul S´anchez de la Sierra∗ January 28, 2015 DocID: 15S97 - View Document