Across
- 7. the way a mineral breaks along a plane
- 9. using Mohs Hardness Scale to determine how hard they are in comparison to other minerals and materials
- 11. a sedimentary rock
- 13. the process of moving sediments
- 14. the way a mineral reflects light; metallic, non metallic, dull, shiny
Down
- 1. a resource that is not easily replaced and takes millions of years
- 2. the color left behind when a mineral is scratched on a streak plate or other mineral
- 3. a resource that can be replaced in a human lifetime
- 4. something that can be used
- 5. a resource used in fertilizer
- 6. the process of breaking down rock over many years caused by wind, water, and plants
- 8. made by nature
- 10. silica
- 12. a substance that comes from petroleum