Mohs Hardness Scale is a group of ten minerals that are used for hardness testing. This classroom or laboratory kit contains the first nine minerals in Mohs Standard Hardness Scale: talc, gypsum, calcite, fluorite, apatite, orthoclase, quartz, topaz and corundum. Diamond is not included. Packaged in a sturdy box with a plastic tray to keep the collection organized. Great for classroom use, laboratory use or personal study. Click on the image for a larger more detailed photo.
Deluxe Hardness Pick Set for Mineral Identification
Hardness picks make hardness testing a more precise process - especially when testing
small specimens or mineral grains within a rock. The point of the pick can easily be placed
on the part of the specimen that you want to test. The scratches that you make or trails of
metal that are left behind are usually very easy to distinguish.
Simply hold the pick in your hand like a pencil and place it on the area that you would like
to test. Then, with pressure, drag the point across the surface of the specimen. It will either
leave a scratch, slide without scratching, or leave a trail of metal behind.
The set includes eight points - for Mohs hardness of 2, 3, 4, 5, 6, 7, 8 and 9. The 2 is a plastic
point, the 3 is a copper point, the others are alloys carefully selected to match the hardness of
the Mohs index minerals.
The set includes:
Four double ended picks with hardness points of 2-9 on Mohs hardness scale
A grinding plate for sharpening your points
Glass plate for quick "hard" or "soft" determination
A hardness plate with a hardness of 3.5
Hardness tables of 250 minerals (alphabetical and in order of hardness)
Hardness testing instructions
All of this in a compact (7" x 2 1/2" x 1 5/8") wooden carry case