MObyat Mohs Hardness Industrial Mineral Identification Kit, 2-9 Scratch Tester Hardness Test Pen With Storage Box, Easy Identification, For Industrial Mineral Identification Gem Jade Jewelry Testing
MObyat
【Mohs Hardness Scale】 Covers standard Mohs hardness levels from 2 to 9. Features precise mineral points: 2# gypsum, 3# calcite, 4# fluorite, 5# apatite, 6# orthoclase, 7# quartz, 8# topaz, and 9# corundum for expert scratch testing. 【Premium Material Kit】 Built from high-grade stainless steel for professional, heavy-duty durability. This comprehensive kit includes 8 precision-tipped hardness tester pens and 8 calibrated mineral testing samples in a secure box. 【High Sensitivity Design】 Engineered with maximum accuracy and a multi-faceted ergonomic body. Each metal tester pen undergoes careful mechanical processing to ensure precise scratching, superior control, and long service life. 【Wide Material Utility】 Highly versatile scratch testing set used to determine the exact hardness of gemstones, jade, ceramic tiles, concrete floors, architectural glass, mobile phone screens, minerals, and advanced composites. 【Clear Instructions for Use】 Hold the tester pen tip at a 70° angle to the target surface. Apply firm downward pressure to draw a straight line across the specimen, then accurately determine the hardness level based on visible scratches.
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