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Detailed Product Description Complete set Mohs Hardness pencil 1-10 Level Testing Jade and Gemstone tools Model Number: FMH-10 Hardness Pencil is used for scratching the rough gemstones. If there are scratches, the gemstone hardness is lower than that hardness marked on the pens.

The hqdz gem hardness tester is designed for quick, precise, and safe diamond testing. You will love the lcd display & led indicator. And, it is fake crystal, a simulant such as cubic zirconium (cz), will be no reaction. Above all, the hqdz gem hardness tester features keeps operation simple and accurate.

Choose From A Wide Array of Presidium Colored Gemstone Handheld & Desktop Digital Testers, With Instant Results.

Please contact us here: 1- 888-400-4243 (USA & Canada) 1-631-321-0160 (International) WESTport Corporation 510 Montauk Highway West Islip, NY 11795

Use this kit for "scratch testing" substances to determine their Hardness according to the Mohs' Hardness scale, which ranges from 1 to 10, where Diamond is the 

Gemstone Hardness is a measure of how difficult (or easy) it is to scratch the surface of the gemstone. The hardest gemstones (diamonds, rubies and sapphires) get a rating closer to 10 on the Mohs scale, while the softer gemstones (amber, chrysocolla and pearl) are placed closer to 1 (see the entire Mohs index below).

Product details of Porle Electronic Diamond Tester Pen, for Diamond, Gem, Crystal, Agate, Jade, Hardness Testing Tool with · This gemstone testing equipt is not 

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Universal digital metal micro vickers hardness tester price gemstone hardness tester / set. 1.0 set (Min Order) CN. Dongguan Hongjin Test Instrument Co., Ltd. 6YRS. 5.0 (18) | "Great Supplier" Contact Supplier. 1/6. Gold Purity Tester Platinum K Gold Silver Analyzer Gemstone Jewelry Density Tester. $743.00-$781.00

Gemstone scratch testing can help determine the Mohs hardness value of a mineral sample. Learn how to conduct this destructive gem test safely. Destructive Gemstone Tests: Streak Testing Streak testing is a destructive gemstone test rarely used by gemologists. Most gems leave no streak. Learn which gems do and what colors they leave.