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Minerals

Minerals. Science Starter #1. Which word(s) best describe each mineral’s luster?. Metallic Submetallic Vitreous /Glassy Adamantine/Diamond-like Resinous Silky Pearly Greasy/Oily Pitchy Waxy Dull /Earthy. Which word(s) best describe each mineral’s luster?. Vitreous /Glassy- Quartz

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Minerals

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  1. Minerals Science Starter #1

  2. Which word(s) best describe each mineral’s luster? • Metallic • Submetallic • Vitreous/Glassy • Adamantine/Diamond-like • Resinous • Silky • Pearly • Greasy/Oily • Pitchy • Waxy • Dull/Earthy

  3. Which word(s) best describe each mineral’s luster? • Vitreous/Glassy- Quartz • Metallic - Pyrite

  4. Which word(s) best describe each mineral’s luster? • Metallic • Submetallic • Vitreous/Glassy • Adamantine/Diamond-like • Resinous • Silky • Pearly • Greasy/Oily • Pitchy • Waxy • Dull/Earthy

  5. Which word(s) best describe each mineral’s luster? • Pearly – Talc • Vitreous/Glassy – Garnet

  6. Mohs Scale • If your fingernail can easily scratch the mineral, what is the hardness of this mineral? • A student notices that their unknown mineral will scratch a penny but it will not scratch an iron nail. What mineral might this unknown be? • What if the unknown mineral scratches all the common objects listed in the chart? http://regentsprep.org/Regents/earthsci/minerals.htm

  7. Mohs Scale • If your fingernail can easily scratch the mineral, what is the hardness of this mineral? (1 or 2) • A student notices that their unknown mineral will scratch a penny but it will not scratch an iron nail. What mineral might this unknown be? (4, Fluorite) • What if the unknown mineral scratches all the common objects listed in the chart? (7 or greater) http://regentsprep.org/Regents/earthsci/minerals.htm

  8. Mohs Scale Which mineral will scratch glass, Quartz or Fluorite? Which mineral(s) won’t scratch anything? Can feldspar scratch a streak plate? http://regentsprep.org/Regents/earthsci/minerals.htm

  9. Mohs Scale Which mineral will scratch glass, Quartz or Fluorite? Which mineral(s) won’t scratch anything? Talc and Gypsum Can feldspar scratch a streak plate? No, the streak plate is harder than feldspar. http://regentsprep.org/Regents/earthsci/minerals.htm

  10. Can you identify this mineral?

  11. Can you identify this mineral? Graphite

  12. Can you identify this mineral?

  13. Can you identify this mineral? Turquoise

  14. Can you identify this mineral?

  15. Can you identify this mineral? Bauxite

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