How to identify type of stone?
Score: 4.5/5 (4 votes) Look at the luster.To check for luster, turn the stone, allowing light to reflect off its surface. View the stone with the naked eye and with a 10x loupe.Determine if the stone looks dull, waxy, metallic, shiny (adamantine), glass-like (vitreous), greasy, or silky.Is there an ...