Moh's Hardness Crystalline Form Dual-Range Meters: Two dual-range round

Dual-Range Meters: Two dual-range round meters are incorporated for voltage and current measurements

offering a clean slate and clear visual indicators

Premium Quality: All beakers are made of thick and high-quality borosilicate glass

and educational environments for precise pressure measurements

Molecular Formula: C6H8O7

Moh's Hardness Crystalline Form Dual-Range Meters: Two dual-range roundHoused 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,