Mineral vocabulary Flashcards
Mineral
A substance that is formed naturally in the earth.is inorganic has a definite chemical composition and has crystal substance. .
Streak
The color of a crystals powder when it is rubbed against a porcelain plate.
Luster
The way the surface of a mineral reflects the light .
Inorganic
Not derived from living matter.
Cyrstal
A solid formation that follows a pattern .
Hardness
The ability of a mineral to scratch or be scratched by another mineral.
Cleavage
The tendency of crystals and minerals to break along define planes and surfaces .
Fracture
The aperance of a freshly broken surface on a mineral that has rough or irregular surface.
Formula
A set of chemical symbols showing the makeup of a chemical compound .