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Positive-lock mechanism engages post groove
a thinner mixture allows for greater control and smoother coverage
Each chain features round rolo links approximately 2
The terms Extra Easy
Refractometer Prop 65 - Lead Positive-lock mechanism engages post grooveThe GemPro refractometer is a primary gemological instrument used to measure the refractive index of gemstones for accurate identification. Clear optics and an easy viewing lens make readings straightforward, helping you quickly determine one of a stones most critical optical properties. Features Measures refractive index for gemstone identification Easy viewing lens for clear scale observation Designed for professional gemological use Compact
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