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2023

Use of Beam splitter

1) Names of gemstones with typical spectra can be determined: zircon 653.5nm, typical absorption line diamond 415.5nm

2) Help distinguish certain natural gemstones from synthetic gemstones: natural blue spinel, complex spectral synthesis, cobalt spectrum

3) Help distinguish some natural gems from artificially processed gems: natural green jadeite, three ladder shaped absorption bands at 630-690nm in the red light zone, and fuzzy Absorption band in the red light zone of dyed jadeite

4) Help distinguish some gems from Skeuomorph: Ruby shows chrome spectrum while red glass shows rare earth spectrum, * * * shows chrome spectrum while green gadolinium aluminum garnet shows rare earth spectrum

5) Help to determine the chromogenic elements in gemstones: Ruby chromium spectrum, olivine iron spectrum, zircon rare earth spectrum

7、 Precautions and limitations

1) In addition to the colorless gemstones such as zircon, diamond and Enstatite, the gemstones to be observed should be colored gemstones

2) Some gemstones have directional spectra

3) If the gemstone is too neat, it will completely blur the spectrum

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