CLMG-7205 Pocket Diffraction Grating Gemological Spectroscope Gem Stone Jeweller Tool with Pouch

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Detect the absorption of spectra it is use to view the color of a gemstone, either by shining a light (pen-torch) through the stone into the spectroscope if the stone is transparent, or by viewing its reflected light if the stone is opaque. Inside is a pattern of lines that you must learn to recognize, it is a spectrum (rainbow) of which might be interrupted with black or white lines. 

Spectroscopes allows you to analyze a loose or mounted stone's spectrum. They help distinguish naturally colored diamonds from those that have been irradiated and help to distinguish natural stones from synthetics by the stone's selective absorption of certain wavelengths.


  • Length : 55mm
  • Diameter : 15mm
  • Material : Aluminum (Durable)
  • Inside Instruction : Raster type 

Set Includes:

  • 1 x Medium Spectroscope 
  • Leather Carry Pouch

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