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F. fluorite scratches limestone and gypsum

G. Gypsum scratches talc
H. Limestone scratches talc
J. Calcite scratches gypsum

F. fluorite scratches limestone and gypsum G. Gypsum scratches talc H. Limestone scratches-example-1
User Fabulaspb
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1 Answer

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Answer:

J. Calcite scratches gypsum.

Step-by-step explanation:

Since limestone and calcite have about the same hardness, either limestone or calcite can be used in the hardness test to identify the softer gypsum.

User Twooster
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