Mineral Vocabulary Words Flashcards
Mineral
A substance that is formed naturally in the Earth, is 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 reflect’s light.
Inorganic
Not derived from living matter.
Crystal
A solid formation that follows a pattern.
Hardness
The ability of mineral to scratch or be scratched by another mineral.
Cleavage
The tendency of crystals and mineral 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
The hardness scale used to classify mineral.
Formula
A set of chemical symbols showing the makeup of a chemical compound.
