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Rocks And Minerals

properties Characters you can observe
Luster How a mineral reflects light (shiny,dull)
Color Some minerals come in many colors and many have colors that are the same
Streak The color of the powder when a mineral is scratched
Hardness How easily it can be scratched,a "scratch text" is done to determine this
Rock Is made up of one of more minerals
Igneous rocks Form from melted materials that cool and harden
Sedimentary rocks Form in layers
Metamorphic rocks Form when other rock are changed by heat and pressure
Three types of rocks Igneous,sedimentary, and metamorphic
Created by: tycamisaiah