There are two common minerals that fit the criteria you have entered. They are very easily differentiated. One mineral is magnetic the other is not. Try placing a magnet on the unknown mineral.
| If the Magnet is STRONGLY Attracted to the Mineral, (CLICK HERE) | |
| If the Magnet is NOT Attracted to the Mineral, (CLICK HERE) |
| BACK TO STEP 4|
| COLOR | STREAK | LUSTER | CLEAVAGE | HARDNESS | CRYSTAL SHAPE | SPECIFIC GRAVITY | OTHER PROPERTIES |