Mineral Vocabulary Words Flashcards
Mineral
A substance that is formed naturally in the earth, is inorganic, has a definite chemical composition and has a crystal structure.
Streak
The color of a minerals powder when it is 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 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 a rough or irregular surface.
Mohs Hardness scale
A hardness scale used to classify minerals
formula
a set if chemical symbols showing the markup of a chemical compound
