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302-12 - Cassiterite SnO 2 Tetragonal*Uraninite UO 2...

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GY 302 Crystallography and Mineralogy Supplementary Lecture Notes 11 Oxides and Hydroxides Data on the following pages is from the USGS Mineral Commodity Summary for 2008 Mineral Formula System Oxides Hematite (v. earthy) Fe 2 O 3 Hexagonal Hematite (v. Specular) Fe 2 O 3 Hexagonal Hematite (v. BIF) Fe 2 O 3 Hexagonal Corundum Al 2 O 3 Hexagonal Cuprite Cu 2 O Isometric Ilmenite FeTiO 3 Hexagonal *Periclase MgO Isometric Zincite (Zn, Mn)O Hexagonal Pyrolusite MnO 2 Tetragonal Pyrolusite (v. dendrite) MnO 2 Tetragonal *Psilomelane (Ba,H 2 O) 2 Mn 5 O 10 monoclinic *Franklinite (Zn,Mn 2+ ,Fe 2+ )(Fe 3+ ,Mn 3+ ) 2 O 4 Isometric *Manganese nodules MnO 2 , Fe 2 O 3 aggregate
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Unformatted text preview: Cassiterite SnO 2 Tetragonal *Uraninite UO 2 Isometric *Carnotite K 2 (UO 2 ) 2 V 2 O 8 ·3(H 2 O) Monoclinic) Rutile TiO 2 Tetragonal *Anatase TiO 2 Tetragonal *Spinel MgAl 2 O 4 Monoclinic Magnetite Fe 3 O 4 Isometric Chromite FeCr 2 O 4 Isometric *Chrysoberyl BeAl 2 O 4 Orthorhombic Bauxite Al 2 O 3 aggregate Hydroxides Goethite FeO(OH) Orthorhombic Limonite FeO(OH) aggregate Gibbsite Al(OH) 3 Monoclinic *Diaspore AlO(OH) Orthorhombic Brucite Mg(OH) 2 Hexagonal Manganite MnO(OH) Monoclinic http://www.ldeo.columbia.edu/edu/dees/U4735/lectures/03.html...
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302-12 - Cassiterite SnO 2 Tetragonal*Uraninite UO 2...

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