| A | B |
|---|
| Color | when you tell what color it is. |
| Luster | How the rock looks: shiny, dull, waxy, oily |
| Specific Gravity | how many times more a mineral weighs than h20 (water) |
| Crystals | does it have crystals or not? |
| Cleavage/Fracture | -flat surfaces / no flat surfaces |
| Tenacity | how hard the mineral is to break |
| Streak | does the mineral leave a mark (streak) |
| Transparency | transparant (see through it), transluscent (kind of see through it) Opaque (can not see through it) |
| Hardness | where the rock/mineral fits on the Mohs hardness scale |
