Unknown Mineral 4

Click on each of the tests to discover the properties of this mineral. After you have completed the tests, click on the mineral identification chart and try to correctly name the mineral.

4. Hardness - Click on the following tools to see which one is hard enough to scratch the mineral.

Always start at the softest (the pencil) and work towards the hardest (emery paper) and stop at

whichever one scratches the mineral first. Then, find the number on the Moh's hardness scale that

corresponds to that tool. Mineral Identification Chart