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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

Minerals

Science Starter #1

which word s best describe each mineral s luster
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 luster1
Which word(s) best describe each mineral’s luster?
  • Vitreous/Glassy- Quartz
  • Metallic - Pyrite
which word s best describe each mineral s luster2
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 luster3
Which word(s) best describe each mineral’s luster?
  • Pearly – Talc
  • Vitreous/Glassy – Garnet
mohs scale
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

mohs scale1
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

mohs scale2
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

mohs scale3
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