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Unformatted text preview: Cyclosilicates : Tourmaline, Topaz, Beryl, Beryl (variety: emerald). Part B 1-How can you tell the following minerals apart: a-Amphiboles and Pyroxenes b-Plagioclase feldspars & K-feldspars c-Orthopyroxene (e.g. Enstatite or Hypersthene) and Clinopyroxene (e.g. augite). d-Nepheline and Orthoclase e-Topaz and Quartz 2-Identify specimens 1 through 10, listing the diagnostic property or properties that led you to this conclusion: 3-Investigate and summarize some of the industrial uses of Feldspars and Micas. 4-Give reasons for the color of (i) rose quartz, (ii) smoky quartz, and (iii) amethyst....
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This note was uploaded on 02/27/2012 for the course GLY 314 taught by Professor Staff during the Spring '09 term at Marshall.
- Spring '09