Mohs Hardness Test Kit, Portable Metal Hardness Tester Kit, Mohs Hardness Picks 5-9 Scratch Tester for Gem Jade Jewelry Rock and Mineral Testing

The Mohs Hardness Pen Kit (5–9) is a professional tool for testing mineral hardness. Each pen has a genuine mineral tip—Apatite, Orthoclase, Quartz, Topaz, and Corundum—matching levels 5–9 on the Mohs scale. Perfect for geologists, gemologists, teachers, and hobbyists, it provides a quick and reliable way to identify and compare material hardness.SPECIFICATIONSProduct name: Mohs hardness penMaterial: SteelModel: No. 5-9 Hardness PenSize: pen 100mmX6mm/box 150mmx100mmWeight: pen 7.8g/Full Box 221gMaterial Composition:Pen Tips: Made from specific minerals corresponding to their respective Mohs hardness levels.No. 5: Apatite/No. 6: Orthoclase/No. 7: Quartz/No. 8: Topaz/No. 9: CorundumPACKAGE INCLUDESMohs hardness test kit×1Storage box×1NOTES1. Please check the size carefully before ordering2. It is normal that the expansion screw will blow up after the force is applied3. Please read the manual and product labels carefully before installing and using it. It is recommended to ask for a professional installation4. Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual. measurement, and make sure you do not mind before you orderTEST PROCEDURE1. Visually estimate the sample’s hardness.2. Test in a hidden spot using a pen 1–2 levels lower than the estimate. If no scratch appears, try the next higher level until a mark is made to find the correct hardness range.3. Apply moderate pressure when scratching—neither too light nor too strong.4. Check any powder produced to confirm if it comes from the sample or the pen to avoid misjudgment.

• 【STURDY & COMFORTABLE DESIGN】 Built from premium materials, this Mohs hardness tester is strong, durable, and ergonomically designed for a secure grip—ideal for both professionals and hobbyists in jewelry and mineral identification.
• 【AUTHENTIC MINERAL TIPS】Each mohs hardness pick features real minerals (5# Apatite, 6# Orthoclase, 7# Quartz, 8# Topaz, 9# Corundum) on durable metal rods, delivering accurate scratch test results for gemstones, jade, jewelry, and rocks.
• 【FAST & NON-DESTRUCTIVE TESTING】 Perform quick scratch tests or visual comparisons under magnification. Accurately identify stone hardness without damaging the surface, ensuring safe and efficient testing.
• 【WIDE HARDNESS COVERAGE】 Spanning levels 5–9 on the Mohs scale, this portable kit is suitable for testing gemstones, ceramics, glass, concrete, and more—making it a versatile rock hardness testing tool.
• 【MULTI-PURPOSE & RELIABLE】 Perfect for jewelry inspection, geological exploration, classroom teaching, and hobbyist use, this Mohs hardness kit provides professional and reliable results across a range of applications.