By Garrett Martin
Minerals all have a crystal structure, definite chemical composition, and are naturally occuring.All minerals are solids and are found in the earths crust.
I got this picture from http://jogsshow.com/exhibitor-profile/le-stage-minerals-presents-fine-amethyst-uruguay/ . Minerals
I got this picture from http://www.geologicdesires.com/michigan%20minerals.htm . Minerals are formed in the earths crust and not man made.
All food has minerals in them. minerals in food are helpful to your body.