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