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