Minerals Vocabulary Words Flashcards
Mineral
A substance that is formed naturally in the Earth, is inorganic, has a definite chemical composition has a naturally crystal structure.
Streak
The color of a mineral’s powder when it’s rubbed against a 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 material.
Cleavage
The tendency of crystals and minerals to break along definite planes resulting in smooth surfaces.
Mohs Hardness Scale
A hardness scale used to classify minerals.
Formula
A set of chemical symbols showing the makeup of a chemical compound.