Your goal is to click on the mineral image below that best matches the characteristics (i.e. color, streak, etc.) in the gray box.
When you are ready, enter your ID in the white box below.
After the play, you will receive a score that corresponds to your current level of proficiency and the option to repeat the same dig, or move on to another dig.
When you have mastered all the digs at Level 3, move to Level 4.