Question

Calcite is a very pretty mineral with some properties in common with diamond. Why is calcite not commonly used as a gemstone in jewelry? mineral is not conductor,mineral doesn't produce a streak,mineral lacks luster,mineral is too soft,
Which one it is

Answer 1

Mineral is too soft, the chart explains how

Answer 2

Answer:

mineral is too soft

Explanation:

the chart says calcite is able to be scratched with a coin, which means it is very weak