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Mineral ID

Color and Luster, Hardness, Breakage, Streak,

The color of a mineral%27s powder, Rub the mineral on an unglazed porcelain tile, This is not always the same color as the mineral, The first observed property, This will be either metallic or non-metallic, Uses Moh%27s scale, Can be a number from 1 to 10, 1 is the softest, 10 is the hardest, Begin by using your fingernail to try to scratch it, Calcite is 3, Quartz is 7 , Diamond is 10, Cleavage breaks in even planes, Fracture has a rough break, elearning Weak bonds between layers cause smooth breakage , A 5 scratches a 4 but a 5 does not scratch a 6, The way a mineral reflects light,