Tools for physical identification of minerals: glass plates, nails, pennies, magnets, streak plates, dilute HCl acid in plastic dropper bottles (use of acid by students should be supervised) Optional tools of geologist: rock hammer, safety goggles, and hand lens.
(Tools for physical identification of minerals; dilute; ) Context(Tools for physical identification of minerals dilute,List([0, 107))):(HCl acid in plastic dropper bottles; should be supervised; )
Tools for physical identification of minerals dilute,List([0, 107))
Tools for physical identification of minerals HCl acid in plastic dropper bottles
dilute should be supervised