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Glass Hardness Plates
B19172/1
470148-652CS 1315 USD InStock
470148-652
Glass Hardness Plates
Trays/Dishes/Pots Crystallizing Dishes
These plates help you determine the hardness of unknown minerals in the field.

  • Plates Determine How Hard Minerals Are
  • System Uses Mohs' Scale
  • Ideal for Unknown Minerals in the Field
  • Custom-Swiped Edges Reduce Risk of Injury
  • Simple-to-Use
Scratch your mineral across the plate determine how hard it is. If the mineral scratches the plates, it’s harder than five on the Mohs’ hardness scale.

The custom-swiped edges reduce risk of accidental injury when handling.
   
 

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