Hardness

  1. Diamond?
    10
  2. Corrundum?
    9
  3. Topaz?
    8
  4. Quartz?
    7
  5. Feldspar?
    6
  6. Apatite?
    5
  7. Flourite?
    4
  8. Calcite?
    3
  9. Gypsum?
    2
  10. Talc?
    1
Author
gemszar
ID
90288
Card Set
Hardness
Description
Ability to resist scratches & abrasions
Updated