Minerals And Rocks Review For The Test Page 3

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Name ____________________________
Date ____________________ Class _____________
Minerals and Rocks
(continued)
Using Science Skills
Use the figure below to answer the following questions in the spaces provided.
27. Which minerals in the table will scratch quartz?
topaz, corundum, and diamond ____________________________________________
28. What would happen if you rubbed a piece of fluorite against a piece of feldspar?
The fluorite would be scratched but the feldspar would not be scratched.
29. What would you expect to happen if you rubbed a mineral of hardness 7.5 against a piece of
quartz?
The mineral would scratch the quartz. _______________________________________
30. If an unknown mineral has a hardness between 5 and 9, what could you do to the mineral to
find out more about its hardness?
You could try scratching it with feldspar, quartz, and topaz.
____________________________________________________________________________
3
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