| Question | Answer |
|---|---|
| CLEAVAGE | property of minerals that break with smooth , flat surfaces |
| DENSITY | mass divided by volume |
| FRACTURE | property of minerals that break to form uneven surfaces |
| HARDNESS | resistance of a mineral to begin scratched |
| LUSTER | way a mineral absorbs or reflects light at its surface |
| MINERALOGIST | scientist who studies the distribution of minerals, mineral properties, and there uses |
| STREAK | color of a mineral in powdered form |
| GEMSTONE | rare and attractive mineral that can be worn as jewelry |
| ORE | rock that contains high concentrations of a desired substance , such as a metal, and can be mined for profit |
