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Minerals

TermDefinition
Mineral (S, I, N, C, Cc) Naturally occurring, inorganic solid, with a crystal structure and definite chemical composition
Naturally Occurring Means a mineral must be formed by natural processes and cannot be man-made
Solid Means minerals must have a definite shape and volume
Inorganic Means a mineral cannot come from materials that were once part of a living thing
Crystal Structure Means minerals must have a repeating pattern of particles that form a crystal shape that is usually not visible
Chemical Composition Means minerals must be either elements or compounds (pure substances, not mixtures)
Streak Physical property used to identify minerals. It describes the color of the powdered form of a mineral.
Cleavage Physical property used to identify minerals. It describes minerals that break evenly along smooth, flat surfaces
Fracture Physical property used to identify minerals. It describes minerals that break in an irregular or jagged way
Luster Physical property used to identify minerals. It describes how a mineral reflects light from its surface
Density Physical property used to identify minerals. It describes the mass in a given amount of space
Color Physical property used to identify minerals. It is the most obvious property but not always reliable
Hardness Physical property used to identify minerals. It is the measure of how easily a mineral can be scratched
Diamond Hardest mineral on Mohs hardness scale. Hardness = 10
Talc Softest mineral on Mohs hardness scale. Hardness = 1
Special Properties Examples: Fluorescence, chemical reactions, magnetic, taste
Metallic Type of luster a mineral has if it looks like a metal
Nonmetallic Type of luster a mineral has if it looks glassy, earthy, pearly, or waxy
Created by: user-1713485
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