HARDNESS KIT

$10.00 ea (Plus shipping & handling)

Includes:

Small Plastic Case, Laminated Moh's Hardness Scale/instructions, Ceramic Plate, Glass Mirror & Penny

 Samples:

  • 1 - Talc
  • 2 - Gypsum
  • 3 - Calcite
  • 4 - Fluorite
  • 5 - Apatite
  • 6 - Orthoclase
  • 7 - Quartz
  • 8 - Topaz
  • 9 - Corundum
  • 10-Diamond (small industrial grade)

Example of Hardness Scale:

 

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