Minerals set Flashcards
Minerals
A substance that is formed in the earth, is inorganic, has a definite chemical composition, and has a crystal structure.
Streak
The color of a minerals powder rubbed against a porcelain plate.
Luster
The way the surface of a mineral reflects light.
Inorganic
not derived from a living matter.
crystal
A solid formation that follows a pattern
Hardness
The ability of a mineral to scratch or or be scratched by another mineral
cleavage
The tenancy of crystals and minerals break along definite planes resulting in smooth surfaces.
Fracture
The appearance of a freshly broken surface on 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 chemical compound.
