- It is used to determine whether a gemstone is natural or synthetic
- Can also be used for detecting synthetic blue spinel and for detecting dyes in certain gemstones
- This gemological tool is helpful for identifying certain red, blue and green gemstones
Ade Advanced Optics Chelsea Filter for Gem Testing
$25.99
- SKU:
- BlackChelseaFilter
- Weight:
- 1.00 Ounces
- Shipping:
- Free Shipping