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8th Science: 3.1

identification and classification of minerals
The way light is reflected from the surface of a mineral
Compares an object’s density to the density of water
Contain carbon bonded to oxygen
glow particular colors when exposed to ultraviolet light
The resistance of a smooth surface of a mineral to being scratched
Includes pyrite (fool's gold)
Compounds containing fluorine, chlorine, bromine, iodine, or astatine
substances that are found naturally in the earth and have a crystalline structure
continue to glow after being exposed to ultraviolet light
Largest group of minerals
have atoms that are unstable and tend to break apart
geometric structures that are composed of atoms or molecules and have an orderly arrangement
the tendency of a mineral to break readily along certain flat surfaces producing fragments with the same shape as the parent mineral
The scale used to measure a mineral's hardness