Method and apparatus for identifying gemstones, particularly...

Details Method and apparatus for identifying gemstones, particularly... Method and apparatus for identifying gemstones, particularly...

G - Physics

01

N

73/51.5

G01N 21/87 (2006.01) G01N 33/38 (2006.01)

Patent

CA 2028472

METHOD AND APPARATUS FOR IDENTIFYING GEMSTONES, PARTICULARLY DIAMONDS ABSTRACT OF THE DISCLOSURE A method of identifying a gemstone, particularly a diamond by: exciting the gemstone to cause it to emit luminescence radiation according to a luminescence spectrum unique to the respective gemstone, in which the luminescence intensity uniquely varies as a function of wavelength; measuring the level of the luminescence radiation at a plurality of preselected wavelengths of its luminescence spectrum; and utilizing the levels of the luminescence radiation at the preselected wavelengths to identify the respective gemstone and to distinguish it from other gemstones.

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