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