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Watercolor illustration showing four methods for testing minerals: color, streak, hardness, cleavage/fracture.

Watercolor illustration showing four methods for testing minerals: color, streak, hardness, cleavage/fracture.
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Draw a picture that represents each of the 5 tests for identifying a mineral: 1. Color 2. Streak 3. Hardness 4. Luster 5. Cleavage/ Fracture See more

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