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Rocks & Minerals #1

Mineral Identification

TermDefinition
Color The color of a mineral.
Cleavage When a mineral breaks along smooth flat surfaces
Crystal a solid in which the atoms are arranged in orderly, repeating patterns
Mineral Naturally occurring, inorganic solid with a definite chemical composition and an orderly arrangement of atoms
Hardness a measure of how easily a mineral can be scratched
Mohs Scale A list of common minerals organized by hardness
Luster The way a mineral reflects light
Metallic A type of luster where minerals shine like metal
Nonmetallic A type of luster that includes, dull, pearly, silky, and glassy
Streak The color of a mineral when it is in a powdered form
Fracture When minerals break with uneven, rough, or jagged surfaces
Density The mass per unit volume of an object. Sometimes called Specific Gravity.
Double Refraction The splitting of an image into 2 separate images when seen through a mineral. Calcite does this.
Magnetism The ability of a substance to either repel or attract another with a magnetic field.
Created by: Ms Potts
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