Across
- 1. light does not pass easily through
- 3. scale of hardness from 1-10
- 6. mineral through which light passes easily
- 7. the least reliable property for identification
- 8. a scientist who studies rocks, gems, and other minerals
- 9. a mineral that leaves a yellowish white streak
- 10. mineral reflects lots of light and appears shiny
- 12. what a uniform mineral has to represent its composition
- 13. a mineral that rates a 1 on the Mohs scale
- 15. the way that light reflects off an object
- 18. a mineral that leaves a yellow or brownish yellow streak
- 20. color the powder left behind when rubbed against a hard surface
- 21. mineral reflects little light and appears dull
- 22. matter made of only one type of atom
- 23. property that you can only observe by changing the matter
Down
- 2. property that you can observe or measure without changing the matter itself
- 3. something with mass and volume
- 4. not man-made
- 5. the state of a mineral (cannot be any other)
- 11. a mineral with a hexagonal crystal shape
- 14. a mineral's resistance to being scratched
- 16. a mineral with a density of 5.3 g/cm3
- 17. a mineral with a cubic crystal shape
- 19. substance that has never been alive
