Minerals Flashcards
Mineral
A substance that is formed naturally in the Earth,ts inorganic, has a definite chemical composition and has a crystal structure
Streak
The color of mineral’s powder when it is rubbed against a porcelain plate.
Luster
The way the surface of a mineral reflects light
Inorganic
Not derived from living matter
Crystal
A solid formation the follows a pattern
Hardness
The ability of a mineral to scratched by another mineral
Cleavage
The tendency of crystals and minerals to break along definite plans resulting in smooth surfaces
Fracture
The appearance of a freshly broken surface an a mineral that has a rough or irregular surface
Mohs Hardness Scale
A hardness scale used to classify minerals
Formula
A set of chemical symbols showing the makeup of a chemical compound