minerals

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Author:
mmbarton
ID:
53906
Filename:
minerals
Updated:
2010-12-07 19:14:14
Tags:
Minerals
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Description:
Earth Science Minerals
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  1. ____________are pure substances that cannot be broken down into simpler substances by ordinary chemical means.
    Elements
  2. A ____________ is a naturally formed, inorganic solid that has a definite crystalline structure.
    mineral
  3. A ____________ is a substance made of two or more elements that have been chemically joined, or bonded.
    compound
  4. Solid, geometric forms
    of minerals produced by a repeating pattern of atoms or molecules that
    is present throughout the mineral are called __________.
    crystals
  5. Silicon and oxygen are
    the two most common elements in the Earth’s crust. Minerals that contain
    a combination of these two elements are called _______ ___________>
    silicate minerals
  6. The way a surface reflects light is called ___________.
    luster
  7. The color of a mineral in powdered form is called the mineral’s____________ .
    streak
  8. ______________ is the tendency of some minerals to break along smooth, flat surfaces.
    Cleavage
  9. A mineral’s resistance to being scratched is called ___________.
    hardness
  10. __________________ are minerals that are composed of only one element.
    Native Minerals
  11. _______________are minerals that contain carbon and oxygen in their chemical structure.
    Carbonates
  12. ________________is the measure of how much matter is in a given amount of space.
    density
  13. _________________ is a mineral deposit large enough and pure enough to be mined for profit.
    Ore
  14. he process by which land used for mining is returned to its original state or better is called _______________.
    reclamation
  15. _________________are highly valued for their beauty and rarity rather than for their usefulness.
    Gemstones
  16. The _____________ diamond is part of the largest diamond ever found.
    Cullinan

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