Perform identical tests on unknown minerals. Test for hardness, streak, and magnetism using the four innovative, double-ended hardness test points manufactured from durable ground metal and alloy to prevent chips or breaking.
Each is color coded for quick identification and stamped with the indicated hardness value 2 through 9 on Mohs hardness scale.
Includes instructions. This complete kit for identifying minerals is packaged in one neatly arranged, compact, attractive wooden box.