GEMPRINT® is the world's most sophisticated, non-invasive, positive identification technology that records the unique optical 'fingerprint' of each diamond. Just like a human fingerprint, every diamond has a unique GEMPRINT®.
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X-ray topography is a nondestructive technique that permits the visualization of internal defects in the crystal lattice of a gemstone, especially diamond, ...
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... non-destructive testing. In U.S. Pat. No. 5,062,296, Migliori described resonant ultrasound spectroscopy as a method to provide a unique characterization of ...
Jan 9, 2008 · The eerie phosphorescence displayed by a rare form of blue diamond can be used as an easy, cheap, and nondestructive way to identify individual gemstones.
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Jan 22, 2021 · (The other, less effective methods were not as destructive.) The method also won't work on polished diamonds, just on rough. So it won't help a ...
5A shows an example fingerprint of a typical rough diamond with no discernable resonances. ... KR20130019872A 2013-02-27 Method of non-destructive test using ...
Apr 22, 2018 · ... non-destructive trace element analysis and isotopic studies, geochemistry has become an important part of gemology. It has provided ...
Both types are easily recognizable using the express and non-destructive technique of Raman spectroscopy. The first diamond nanoparticles smaller than 10 nm ...
May 9, 2023 · It would be ideal if a quick and non-destructive measurement could reveal the geographic origin of any diamond. In principle, this is ...
US11815477B2 2023-11-14 Non-destructive detection of surface and near surface abnormalities in a metallic product. Proudhon 2017 Synchrotron imaging and ...