Post a New Question

Earth Science-9

posted by .

What test is performed to determine the hardness of a mineral?

  • Earth Science-9 -

    The Rockwell test is very common in laboratories http://en.wikipedia.org/wiki/Rockwell_scale

  • Earth Science-9 -

    look up the MOHS Hardness scale; it consists of ten minerals ranging from the softest (#1 - talc) to the hardest (#10 - diamond)
    harder minerals will scratch softer ones.
    a fingernail has a hardness of about 2.5, while a penny's is 3.5

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Science

    I need help writing a procedure for my Earth Science class. Our teacher gave us 5 minerals and told us 5 mineral names, but we have to figure out which is which. We could do tests like specific gravity, luster, streak, and hardness. …
  2. Science

    I need help writing a procedure for my Earth Science class. Our teacher gave us 5 minerals and told us 5 mineral names, but we have to figure out which is which. We could do tests like specific gravity, luster, streak, and hardness. …
  3. science

    what test is performed to determine the hardness of a mineral ?
  4. Earth Science

    can someone help me? you are given a sample of an unknown mineral. you determine that the mineral's streak is whte and its specific gravity is 2.8. is the mineral most likely to be a metallic mineral or a nonmetallic mineral?
  5. Science

    hey, can someone help me im stuck on this one question "The hardness of a mineral is found to be between 9 and 10 on the Mohs scale. Can you accurately state that the mineral's hardness is 9.5?
  6. Science

    I have two questions. 1. Describe what would happen if you rubbed a mineral with a Mohrs hardness value of 7 against a mineral with a value of 5?
  7. Science

    Someone gives you an unknown mineral. You can scratch it with quartz but not with feldspar. What is the mineral's approximate hardness?
  8. Science

    Which mineral property test is the best way to tell the difference between each type of mineral?
  9. Science

    A mineral breaks into flat sheets when struck with a rock hammer. Which property of a mineral is being measured?
  10. Chemistry

    Hardness is defined as calcium and magnesium ion content. Since most hardness is caused by carbonate mineral deposits and does not distinguish calcium and magnesium ions, hardness is usually reported as parts per million (ppm) of calcium …

More Similar Questions

Post a New Question