Across
- 4. breaks with rough, jagged edges
- 6. the true color of the mineral
- 9. made of only one type of atom
- 11. breaks along smooth flat surfaces
- 13. a solid formed in a liquid
- 15. name of the scientist who created the hardness scale
- 17. gold and pyrite have the same
- 18. change a new substance forms
Down
- 1. the curved surface of liquid
- 2. the measure of how easy or difficult a mineral can be scratched
- 3. A naturally occcuring substance
- 5. physical characteristics
- 7. amount of space an object occupies
- 8. change changing from solid to liquid or gas
- 10. the way light reflects the surface
- 12. amount of matter in an object
- 13. change no new substance forms
- 14. made of two or more elements
- 16. plate unglazed porcelain used to test minerals