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Quartz can scratch feldspar but not topaz. Calcite can scratch flourite but not apatite. Which of the following statements is true? feldspar is harder than apatite and softer than quartz. topaz is harder than felspar but softer than fluorite Which of the following statements is true? This student is testing a quartz crystal for a certain property. What property are they testing? streak malleability hardness luster 4 7 What hardness does quartz have? If Mr. Bellman were to scrape a piece of red side walk chalk across the ground, it would leave a streak color of:______________ green blue red yellow This mineral is showing a good example of: minerals cleavage hardess fracture |