Minerals Flashcards
Minerals
A substance formed naturally in the Earth, Is inorganic has a definite chemical composition and has christal structure.
Streak
The color of a minerals powder when it rubbed against porcelain plate.
Luster
The way the surface of a mineral reflects light.
Inorganic
Not derived from living matter.
Crystal
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 planes resulting in smooth surfaces.
Fracture
The appearance of a freshly broken surface on a mineral that has rough or irregular surface.
Mohs hardness scale
A hardness scale used to classify minerals.
Formula
A set of chemical symbols showing the makeup of a chemical compound.
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