Diffraction Grating Spectroscope - Jewels & Tools

Portable Jewelry Tool Mini Spectroscope Diffraction Grating Spectroscope Diamond Handheld Gemological Checking Tool - AliExpress

3B Scientific U19500 Diffraction Grating Spectroscope

The Spectroscope: A Gemologist's Guide - International Gem Society

Gain Express Pocket Diffraction Grating Gemological Spectroscope for Q

Gem Testing with the Spectroscope • Lotus Gemology

Detect the absorption of spectra and it is used 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 by black or white lines.

Tekcoplus Pocket Handheld Small Size Diffraction Grating Gemological Spectroscope Spectrometer Gem Tool for Quick Gemstone Identification and GIA Use

Portable Jewelry Tool Mini Spectroscope Diffraction Grating Spectroscope Diamond Handheld Gemological Checking Tool - AliExpress

💎COMPACT AND PORTABLE: Crafted to be travel-friendly, this pocket-sized Spectroscope device is incredibly small and portable. Whether you're exploring

Handheld Diffraction Spectroscope, Pocket-Sized Grating Gemological Spectrometer in a Gem Tool Jewelers Eye Loupe for GIA Use and Quick Identification

grating spectroscope pocket diffraction gem spectrometer

FABLE - Handheld Gem Grating Spectroscope - AD Company

Gain Express Pocket Diffraction Grating Gemological Spectroscope for Q