Describes the elements, classes, and properties of minerals including color, streak, luster, hardness, and cleavage. Also explains minerals found in rocks such as feldspar, quartz and calcite.
Worth knowing
Written forMiddle grade
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Describes the elements, classes, and properties of minerals including color, streak, luster, hardness, and cleavage. Also explains minerals found in rocks such as feldspar, quartz and calcite.