How To Identify Calcite (Tips For Beginners)
Quartz is an impurity that absorbs light when present in the crystal structure of calcite, giving it a cloudy appearance. You can identify calcite by its pink, blue, or white color and its rhombohedral form. Additionally, the mineral is a carbonate with a Moh's hardness of 3 to 4 and a specific gravity of 2.72.