Minerals Crossword Puzzle

Physical property of some minerals that causes them to break along smooth, flat surfaces.
Solid in which the atoms are arranged in an orderly, repeating pattern.
Physical property of some minerals that causes them to break with uneven, rough, or jagged surfaces.
Beautiful, rare, highly, prized mineral that can be worn in jewelry,
Measure of how easily a mineral can be scratched.
Describes the way a mineral reflects light from it's surface; can be metallic or nonmetallic.
Hot, melted rock material beneath Earth's surface.
Naturally occuring inorganic sold that has a definite chemical composition and an orderly internal atomic structure.
Deposit in which a mineral exists in large enough amounts to be mined at a profit.
Describes a mineral that contains silicon and oxygen and usually one or more other elements.
Ratio of a mineral's weight compared with the weight of an equal volume of water.
Color of a mineral when it is in powdered form.