Vocab Flashcards
Mineral
A substance that is formed naturally, Is inorganic ,has definite chemical composition an had a crystal structure
Streak
The color of a 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 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 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 set if chemicals symbols showing the makeup of a chemical compounds
Formula
A set if chemicals symbols showing the makeup of a chemical compounds