Minerals Flashcards
formula
a set of chemicals symbols showing the makeup of a chemical compound
mineral
a substance that is found naturally in the Earth, in inorganic, has a definite chemical composition and has a crystal structure
streak
the color of a mineral’s powder when it is rubbed against porcelain plate
Luster
The way the surface of a mineral reflects light
Inorganic
not derived from living matter
crystals
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 plans resulting in smooth surfaces
Fracture
The appearance or a freshly broken surface on a mineral that has a rough or irregular surface
Mohs Hardness Scale
A hardness scale used to classify minerals
