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Color compensator dial
waterproof casing
BREWfractometer Extreme - 0-40% Brix and 1
These refractometers offer exceptional optical design and improved image resolution with high contrast for easy viewing of scales
Item Description: BOSS-32ATC PROFESSIONAL QUALITY Portable Brix Refractometer 0-32
Chelsea (Jadeite) Filter 4 Gems Gemstones Loupe Refractometer USA STOCK vee gee refractometer Color compensator dialChelsea (Jadeite) Filter for testing COLORED Gemstones Each NEW half dollar sized color filter is the easiest and fastest to use of all gem identification instruments. Indispensable when looking at any colored gemstone It especially useful for differentiating emerald from emerald look alikes, sapphire from sapphire look alikes, aquamarine from aquamarine look alikes, and dyed green jadeite from fine natural green jadeite. Essential to use to check for