lab10a - f, f Staurolite Fe 2 Al 9 O 6 (SiO 4 ) 4 (O,OH) 2...

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GY 302: Crystallography and Mineralogy Lab 10a: Classes VIII: Silicates 1: Neosilicates (Orthosilicates) Drawer 9 Your task today : This is the list of minerals that you will be responsible for the next lab. Mineral Formula System Specimen Quality Olivine Group Fayalite Fe 2 SiO 4 Orthorhombic f, f Forsterite Mg 2 SiO 4 Orthorhombic g, g, g, g Garnet Group Almandine Fe 3 Al 2 (SiO 4 ) 3 Isometric f, f, g, g Andradite Ca 3 Fe 2 (SiO 4 ) 3 Isometric g Pyrope Mg 3 Al 2 (SiO 4 ) 3 Isometric g, g Grossular Ca 3 Al 2 (SiO 4 ) 3 Isometric f, g, g, g Spessartine Mn 3 Al 2 (SiO4) 3 Isometric g *Uvarovite Ca 3 Cr 2 (SiO 4 ) 3 Isometric g Aluminum Silicates Kyanite Al 2 SiO 5 Triclinic f,f,g(x4) Andalusite Al 2 SiO 5 Orthorhombic f, g, g Sillimanite Al 2 SiO 5 Orthorhombic
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Unformatted text preview: f, f Staurolite Fe 2 Al 9 O 6 (SiO 4 ) 4 (O,OH) 2 Monoclinic f, g, g *Topaz Al 2 SiO 4 (F,OH) 2 Orthorhombic p, g (multiple) Other Nesosilicates or Subsilicates (e.g., Braunite) *Braunite Mn 6 SiO 12 Tetragonal g Datolite CaBSiO 4 (OH) Monoclinic g, g Dumortierite Al 7 O 3 (BO 3 )(SiO 4 ) 3 Orthorhombic g, g *Titanite ('Sphene') CaTiSiO 5 Monoclinic f, g(x3) Willemite Zn 2 SIO 4 Trigonal g,g f(x3) Zircon ZrSiO 4 Tetragonal g(multiple) unlabelled p-poor, f-fair, g-good Minerals labeled with an (*) will NOT be on tests or quizzes this year in GY 302 Next Tuesday (1:00-1:20 PM): Mineral lab qui z 5 (Neso, Soro and Cyclosilicates)...
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This note was uploaded on 02/05/2012 for the course GLY 302 taught by Professor Staff during the Spring '11 term at S. Alabama.

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