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    What People Are Saying

    Good value
  • Esther Lee
  • 02/12/2017
  • This is the third item I purchased from this company. My experience as a new student of geology is excellent. I have bought another couple of kits elsewhere that were not carefully put together.
    Great Shopping Experience
  • Carolyn
  • 10/06/2015
  • I needed to get this set to use with our Cub Scout Webelo Den and was happy to find this set for a reasonable price. It arrived at my home within 5 days so delivery definitely exceeded my expectations. The samples of the rocks are a good enough size for our boys to use for testing and I am sure it will be a great experiment to do with them. Can't wait!
    Great size rocks!
  • Dawn Keckley
  • 09/11/2010
  • Often, the rock sample sizes are too small to really be useful assessing the various properties of rocks. This set is an exception. The smallest sample is 1 in. x 1 in.

    reward points

    Mineral Scale of Hardness Set, 9 specimens

    Ages 10+

    Item# RM-HARDNES

    $14.50 in_stock

    In Stock

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

    Quantity Pricing

    Save big when you purchase at the quantity levels shown below!


    QUANTITY 1 - 9 10+
    PRICE $14.50 $13.05
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    • Product Details

      Mineral Scale of Hardness Set, 9 specimens

      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.

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