Country/Region of Manufacture United States

Check the listing for details. Complete Mohs Hardness Reference Minerals. Condition: New. Listed at 29.00 USD. This is a complete set of all 10 Mohs hardness defining reference minerals. They can be used to test against testing tools or just as a cool display. The kit also includes two full color sheets of helpful information on the individual minerals.

$20.30
$29.00