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🔍 Unlock the hidden colors of your gems—because every stone tells a story.
The Gain Express Diffraction Spectroscope is a compact, durable aluminum gemological tool designed for quick and accurate gemstone identification. Featuring a raster-type diffraction grating, it reveals detailed absorption spectra to differentiate natural, irradiated, and synthetic stones. Lightweight and portable with a leather pouch, it’s ideal for professionals needing reliable, on-the-go spectral analysis.













| ASIN | B017VM4Q86 |
| Are Batteries Required | No |
| Best Sellers Rank | #442,880 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #26 in Lab Spectrometers |
| Brand Name | Gain Express |
| Color | Black |
| Customer Reviews | 3.6 3.6 out of 5 stars (130) |
| Handle Material | Aluminum |
| Item Dimensions L x W | 2.17"L x 0.59"W |
| Item Weight | 0.04 Kilograms |
| Lens Material | Aluminum |
| Magnification Strength | 1 x |
| Manufacturer | Gain Express Holdings Ltd. |
| Manufacturer Part Number | CLMG-7205 |
| Model Number | CLMG-7205 |
| UPC | 600316560726 |
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