Rock and Minerals Flashcards
A solid inorganic substance of natural occurrance.
Mineral
The solid mineral material forming part of the surface of the earth and other similar planets.
Rock
A part or section of something.
Element
A mixture of two different elements.
Compound
A solid material whose constituents, such as atoms, molecules or ions, are arranged in a highly ordered microscopic structure.
Crystal
The tone or shade of something.
Color
A gentle sheen or soft glow.
Luster
A long thin line or mark.
Streak
A sharp division, a split.
Cleavage
The cracking or breaking in a hard object or material.
Fracture
A measure of how easily a mineral can be scratched.
Hardness
The thickness in a substance.
Density
A naturally occurring solid material from which a metal or valuable mineral can be profitably extracted.
Ore
Minerals that contain metal.
Metallic Minerals
They are minerals that does not contain metal.
Non-metallic Materials
