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Avogadro's Lab Supply

Moh's Scale of Hardness Collection

The hardness of a mineral is its resistance to being scratched.  The relative hardness of a mineral is determined by comparing it to the hardness of the ten "standard" minerals that make up Moh's Scale of Hardness.  This collection contains one specimen of each of the ten minerals.

Each specimen is keyed for identification.

1) Talc (softest)   2) Gypsum   3) Calcite   4) Fluorite   5) Apatite 6) Feldspar   7) Quartz   8) Topaz   9) Corundum   10) Diamond (hardest)               

All merchandise offered by Avogadro's Lab Supply
is New from the manufacturer!

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