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