Step2
Determine the hardness of your mineral. Using a glass plate, see if the mineral scratches it. Be careful, make sure the glass is on a table, do not hold in your hand. Firmly grasp your mineral and draw it over the glass. If the mineral powders, then use your fingernail to feel if the glass is scratched.

What we know about your mineral so far:
-Metallic luster

Does your mineral scratch glass?