Minerals Vocab-Jordan R.

Question Answer
Mineral naturally occuring inorganic solid that has a definite chemical composition and an orderly internal atomic structure
Crystal solid in which the atoms are arranged in an orderly, repeating pattern
Magma hot, melted rock material beneath Earth's surface
Silicate mineral that contains silicon and oxygen and usually one or more other elements
Luster describes the way a mineral reflects light from its surface; can be metallic or nonmetallic
Streak color of a mineral when it is in powdered form
Cleavage physical property of some minerals that cause them to break along smooth, flat surfaces
Fracture physical property of some minerals that causes them to break with uneven, rough, or jagged surfaces
Gem a beautiful, rare highly prized mineral that can be worn in jewelry
Ore a deposit in which a mineral exists in large enough amounts to be mined at a profit
Hardness a measure of how easily a mineral can be scratched