F. fluorite scratches limestone and gypsum G. Gypsum scratches talc H. Limestone scratches talc J. Calcite scratches gypsum

Question

asked Nov 28, 2022 133k views

1 Answer

Twooster · Answer 1 · 2022-12-02T13:50:54+0000

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.