Rocks and Minerals Final

Which of the following is a characteristic of all minerals?

• Crystalline structure

• Fills the shape of its container

• Usually organic

• Random chemical composition

Which of the following is NOT a way to identify a mineral?

• Streak

• Denisty

• Luster

• Crumble

What is fracture?

• Ability to reflect light

• A break in parallel planes

• Uneven break

Igneous rocks are formed from geysers in the Earth's crust.

• True

• False

Two types of igneous rocks are:

• Interior and exterior

• Intrusive and extrusive

• Inside and outside

• Enter and exit

The process for sedimentary rocks DO NOT include:

• Cementation

• Cooling

• Deposition

• Erosion

If a mineral can SCRATCH another one, it is -

• harder than the mineral

• weaker than the mineral

• the same mineral

Calcite can scratch -

• Apatite

• Fluorite

• Talc

Diamond is the hardest mineral.

• True

• False

What type of property test is a mineralogist conducting when she rubs a mineral over a mirror, tile, or hard surface?

• Streak Test

• Luster Test

• Appearance Test

• Cracking Test