how to grind rocks into powder
Aug 29, 2016 The gist is this: You grind eggshells into a very, very, very fine powder (like dust) and then use it as face powder. Before I tell you the issue, . up a mortar and pestle. You will be AMAZED how often you actually use the big hunk of rock that your boyfriend said would get lost in the cabinets the first week.get price