Margaret M. Loos
Materials
Two 100 ml graduated cylinder, 200 ml beaker, samples of nonporous minerals (or rocks) such as galena, quartz, feldspar, slate, pyrite, etc. small enough to be placed in graduated cylinder, triple beam balance.
Procedure
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1. Use the triple beam balance to weigh (mass) a mineral or rock sample.
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2. Measure 50 ml of water in graduated cylinder. Record measurement (50 ml)
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3. Add rock sample carefully. Record volume of rock and water on line a.
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Data and Calculations
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a. Volume of water and rock
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=
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b. Volume of water
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=
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c. Volume of rock
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=
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Specific Gravity =
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Density =
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Mass (of rock)
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Units
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Volume (of rock)
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g/cm
3
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