Earth Science 1/4 20 Minerals – building block of rocks 4 components

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Presentation transcript:

Earth Science 1/4 20 Minerals – building block of rocks 4 components Solid formed by nature Not formed by a living thing Have a crystal form Have their own set of properties

Earth Science 1/4 20 Minerals – building block of rocks 4 components Properties Breakage Cleavage – breaks along a smooth, flat surface Fracture – breaks along a rough, uneven surface

Earth Science 1/4 20 Minerals – building block of rocks 4 components Properties Breakage Cleavage Fracture Color may be one color or different colors

Earth Science 1/4 20 Minerals – building block of rocks 4 components Properties Breakage Cleavage Fracture Color Streak color of the mark left on white tile (always the same)

Earth Science 1/4 20 Minerals – building block of rocks 4 components Properties Breakage Cleavage Fracture Color Streak Luster reflection of light – shiny, glassy, dull, metallic, oily, etc.

Earth Science 1/4 20 Minerals – building block of rocks 4 components Properties Breakage Cleavage Fracture Color Streak Luster Hardness how hard or soft a mineral is (ability to resist being scratched)