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Minerals by Hardness Collection

Minerals by Hardness Collection
Grades: All ages
Availability: In Stock
Price: $56.00
Qty:  
   - OR -   

Representative samples covering levels 1-9 of the Mohs Hardness Scale -  

Shipping included.

  • Talc - 1
  • Gypsum - 1.5
  • Stibnite - 2
  • Amber - 2.5
  • Calcite - 3
  • Aragonite - 3.5
  • Rhodochrosite - 4
  • Smithsonite - 5
  • Magnetite - 5.5
  • Opal - 5.5
  • Microcline - 6
  • Hematite - 6.5
  • Emerald - 7
  • Staurolite - 7.5
  • Blue Topaz - 8
  • Ruby - 9
  • Sapphire - 9

All prices are in US dollars.  For international shipping please contact us at northwestexpedition@msn.com or 425-488-6848.

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