Thursday, July 4, 2019

Moh's Hardness Scale


                                                 Moh's Hardness Scale 

  1. Talc 
  2. Gypsum
  3. Calcite
  4. Flourite
  5. Apatite
  6. Feldspare
  7. Quartz
  8. Topaz
  9. Corundum
  10. Diamond

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