Color - A student looks at the mineral and describes it as reddish brown., Luster - A student looks at a mineral and examines the amount of light reflecting., Crystal Shape - A student looks at the mineral and determines its shape., Hardness - A student uses objects to try to scratch the mineral., Streak - A student moves the mineral across a porcelain plate to see the color of the mineral's powder., Density - A student uses mass and volume to calculate how "heavy" or "light" the mineral is for its size.,

Testing Minerals

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