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800.334.5551

Hardness Scale Minerals Collection, 9 pieces

$21.80
(in stock)

Description

This collection of 9 minerals represents the scale of hardness #1 through #9. The 1" specimens are number coded and keyed to a list. The collection is stored in a compartmented container. This collection is also available with a diamond specimen, representing hardness #10.

Specifications

What’s Included:
  • 1 Talc (Labeled '1')
  • 1 Gypsum (Labeled '2')
  • 1 Calcite (Labeled '3')
  • 1 Fluorite (Labeled '4')
  • 1 Apatite (Labeled '5')
  • 1 Fledspar (Labeled '6')
  • 1 Quartz (Labeled '7')
  • 1 Beryl (Labeled '8')
  • 1 Corundum Diamond (Labeled '9')
  • expand to see full list
Return Policy:

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