What is the Mohs hardness for Fluorite?

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Multiple Choice

What is the Mohs hardness for Fluorite?

Mohs hardness measures scratch resistance on a relative scale. Fluorite sits between calcite and apatite, meaning it is harder than calcite but softer than apatite. So it can scratch minerals that are softer than fluorite, and it can be scratched by minerals that are harder. Among the options, the value that matches this middle position is the one that reflects fluorite’s actual place on the scale. The other choices would place fluorite too soft or too hard relative to its true rank.

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