After you have completed all tests name the minerals

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In the chart below, record your observations of each test for the seven minerals. After you have completed all tests, name the minerals in Part 2 of this worksheet. An example of how to fill out the chart is illustrated below. Recorded Observations for Minerals 1–7 Tests Example Mineral 1 Mineral 2 Mineral 3 Mineral 4 Mineral 5 Mineral 6 Mineral 7 Color White Gold Green White Pink White White Black Streak White Black White White White White White Brown Luster Shiny Shiny Shiny Shiny Dull Shiny Pearly Pearly Specific Gravity 3.18 5.1 2.8 2.7 2.6 2.65 2.4 2.2 Cleavage & Fracture Cleavage Fracture Cleavage Cleavage Fracture Fracture Cleavage Cleavage Hardness 4 5.4 1.5 1.5 6 9 1.5 3 Acid No No No Active bubbling No No No No
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Appendix C GLG/101 Version 3 3 Reaction Reaction reaction and Fizz Reaction Reactio n Reaction Reaction Part 2: Naming the Minerals Name the minerals below. Then, insert a percentage of how certain you are in your identification. Finally, explain your percentage of certainty: What was confusing about this mineral? What other minerals do you think it could be? Remember, the minerals in the virtual lab include seven of the following: borax, calcite, corundum, graphite, gypsum, orthoclase feldspar, pyrite, quartz, talc, and topaz. Identification of Mineral Percent Certain Explanation of Certainty Example: Fluorite 80% certain I am almost certain this mineral is fluorite, but I am not completely sure. Fluorite and gypsum are both white, shiny, have white streaks, cleave, and show no reaction to acid. However, the specific gravity of this mineral is 3.18,
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  • Summer '10
  • JEBAINBARASU
  • Mineral Identification Worksheet, Mineral Identification Job Aid

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