Mohs Hardness Tester Kit, 5-9 Scratch Tester Industrial, with Aluminum Alloy Case, for Mineral Identification, Gem Jade Jewelry, Glass, Ceramic & Industrial Material Testing.

Specifications:Product name: Mohs hardness penMaterial：Pen tip: No. 5: Apatite/No. 6: Orthoclase/No. 7: Quartz/No. 8: Topaz/No. 9: CorundumSize: pen 100X6mm/box 150x100mmWeight: pen weight 7.8g/full weight 221gPackage Includes:1 x Mohs hardness test kitNote:1. Please allow 3-5cm error due to manual measurement. make sure you do not mind before you bid.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.☆ Thanks for your trust and choice, wish you a great using experience!

• ★ Mohs Hardness Tester: Made of crystal with accurate numerical values. There are 5 hardness pens in the box. Material: nib (5 #apatite; 6 #orthoclase; 7 #quartz; 8 #topaz; 9 #corundum). Good texture and beautiful appearance.
• ★ We offer you this impeccable Mohs hardness tester. The hardness test kit has been carefully machined into a multi-faceted shape, making it easier to use and more durable. Well-machined multi-faceted, convenient and durable; easy to carry, complete variety.
• ★ Indirect visual inspection method: The hardness of the gemstone can be reflected by the smoothness of the processed facet and the sharpness of the edge. Under magnifying glass, you can see that the facets of gemstones of different hardness are smooth, flat, and sharp. Indirect visual inspection method is a non-destructive approximate hardness identification method.
• ★ Perform rapid scratch tests or visual comparisons under magnification. This versatile hardness testing equipment allows accurate gem tester for all stones without damaging surfaces.
• ★ Wide Applications & Reliability, Suitable for jewelry inspection, geological exploration, classroom study, and hobbyist use. This mohs hardness test kit provides professional results across various industrial mineral identification scenarios.