Fluorite is harder than gypsum but softer than apatite. Thus, the correct option is B.
The hardness of any element may be defined as the capability of a material to oppose the process of deformation and remains in actual shape precisely. Â
According to the table of hardness scales by Mohs, the increasing order of given hardness of given elements is as follows:
Gypsum < Fluorite < Apatite.
Therefore, Fluorite is harder than gypsum but softer than apatite. Thus, the correct option is B.
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