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Unformatted text preview: MINERALOGY Second In-class Exam November 21, 2008 Name ______________________ Answer all questions. Their values are indicated next to the question. Closed book, closed help, open mind. Cheating will result in an F for the class. (1) (10 points) For the first five minerals in the following list write the exact chemical formula beside the mineral name. For the second five minerals in the list write the group of the mineral (e.g. silicate, oxide, halide etc.). For these five minerals, you will get 0.5 extra credit points for each correct major cation (excluding Si and Al) that you listed that makes up the mineral (not including trace elements). You will lose 0.5 points for each incorrect cation listed. Chemical Formulas: (1) Andalusite (2) Microcline (3) Pyrrhotite (4) Sanidine (5) Enstatite Groups (1) Cassiterite (2) Corundum (3) Rutile (4) Spinel (5) Magnetite 1 (2) (20 points) a). (15 points) On the ternary diagram below, plot the following compositions and label each point with a)....
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This note was uploaded on 07/06/2011 for the course GLY 5245 taught by Professor Staff during the Spring '11 term at University of Florida.
- Spring '11