Item # RM-HARDNES

Mineral Scale of Hardness Set, 9 specimens

$14.50

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Quantity 10+
Price $13.05

Any aspiring geologist will love this set of 9 Mohs Scale of Hardness minerals.

Ages 10+
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Item # RM-HARDNES
Mineral Scale of Hardness Set, 9 specimens
Questions? Talk to an Expert Chat 800-860-6272

DESCRIPTION

Any aspiring geologist will love this set of 9 Mohs Scale of Hardness minerals. Numbered specimens allow you to accurately determine hardness to identify rocks and minerals you collect. Nine of the 10 hardness levels are included (all but diamond, the hardest). Size averages 1-2" for all specimens. Packed in a nice divided box with identification key.

MORE INFORMATION BOX

CONTENTS TAB

Mineral Scale of Hardness Set, 9 specimens

  • Talc (hardness = 1)
  • Gypsum (hardness = 2)
  • Calcite (hardness = 3)
  • Fluorite (hardness = 4)
  • Apatite (hardness = 5)
  • Feldspar (hardness = 6)
  • Quartz (hardness = 7)
  • Beryl (hardness = 8)
  • Corundum (hardness = 9)

You can use other common objects (not included) to supplement this scale as follows:

  • Fingernail (hardness = 2.5)
  • Copper coin (hardness = 3.5)
  • Window glass (hardness = 5.5)
  • Steel file (hardness = 6.5)

SPECIFICATIONS TAB

DESCRIPTION

Any aspiring geologist will love this set of 9 Mohs Scale of Hardness minerals. Numbered specimens allow you to accurately determine hardness to identify rocks and minerals you collect. Nine of the 10 hardness levels are included (all but diamond, the hardest). Size averages 1-2" for all specimens. Packed in a nice divided box with identification key.

MORE INFORMATION BOX

CONTENTS TAB

Mineral Scale of Hardness Set, 9 specimens

  • Talc (hardness = 1)
  • Gypsum (hardness = 2)
  • Calcite (hardness = 3)
  • Fluorite (hardness = 4)
  • Apatite (hardness = 5)
  • Feldspar (hardness = 6)
  • Quartz (hardness = 7)
  • Beryl (hardness = 8)
  • Corundum (hardness = 9)

You can use other common objects (not included) to supplement this scale as follows:

  • Fingernail (hardness = 2.5)
  • Copper coin (hardness = 3.5)
  • Window glass (hardness = 5.5)
  • Steel file (hardness = 6.5)

SPECIFICATIONS TAB

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My Science Perks is FREE! Just place your order while logged in to your Home Science Tools account and you'll automatically earn up to 6% back when your order ships!

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