Chelsea Filter Knew Concepts Built for sustained bench use

Built for sustained bench use

Principles of folding

0 mm (soft metals) Stand Dimensions 9" L x 4-1/2" W Origin Made in the USA What's Included

Technique Swiss Draw Sleeve T

Universal 100–240V AC adaptor

Chelsea Filter Knew Concepts Built for sustained bench useThe Chelsea filter is a compact gemological tool used to help identify certain red, blue, and green gemstones by observing characteristic color reactions under filtered light. It is especially useful for spotting imitations mixed into colored stone parcels and jewelry, and for differentiating emerald from common emerald look alikes. Features Assists in identifying select red, blue, and green gemstones Commonly used to detect simulants in colored stone