Moh's Hardness Crystalline Form offering a clean slate and

offering a clean slate and clear visual indicators

and educational environments for precise pressure measurements

A locking mechanism prevents accidental volume shift while the instrument is in use

Ideal Capacity: Offers a 100ml capacity

Moh's Hardness Crystalline Form offering a clean slate andHoused in a compartmented collection box, and an identification list is included. 9 numbered samples, 1" x 1" streak plate magnet glass slide copper strip. Minerals: Talc, Selenite, Calcite, Fluorite, Apatite, Microcline, Quartz, Topaz, Corundum All samples are pure crystalline forms to ensure accurate test results. You can also perform other physical properties tests with the included materials. If you need custom order with different sizes design,