5 Written Questions

1. properties that make a diamond a gemstone.
2. calcite will scratch gypsum, this is a physical characteristic called ___.
3. combine into compounds that form crystals and becomes a mineral as magma cools
4. minerals are comprised of one or more ___.
5. the largest roup of rock-forming minerals consists of ___.

4 Multiple Choice Questions

1. all minerals share ___.
   1. hardness
   2. rare and beautiful
   3. four characteristics
   4. siicates
2. formed by natural processes and are solids
   1. cleavage
   2. minerals
   3. siicates
   4. talc
3. one of the softest minerals
   1. talc
   2. topaz
   3. atoms
   4. minerals
4. a mineral is no longer classified as an ore once it is no longer ___.
   1. minerals
   2. profitable and useful
   3. useful and profitable
   4. rare and beautiful

4 True/False Questions

1. topaz → quartz has a hardness of 7 so will not scratch this mineral.

   True        False

2. the mineral can no longer be mined at a profit → if the cost of separating a mineral from waste rock becomes to great, the mineral is no longer an ore. This happens because___.

   True        False

3. profitable and useful → properties that make a diamond a gemstone.

   True        False

4. cleavage → Muscovite mica will peel off in flat sheets. this is a physical characteristic called ___.

   True        False