mineralogy

Common minerals to know

Here are some common minerals whose names and formulas are good to know, along with some of their properties! (In rows, left to right; H=hardness, tested in lab using Mohs hardness scale) 1) Halite (NaCl) – H=3.5; it tastes salty! (yes, lick it) 2) Fluorite (CaF2) – H=4; ranges from transparent, to purple, to blue 3) Sylvite… Continue reading Common minerals to know