Chelsea Filter Polishing & Finishing Lower jaw secured by a

Lower jaw secured by a hex nut for stable

Steel mandrel (Part # 110

A classic 6-prong round solitaire mounting designed to showcase a 9

V-ends configuration

Chelsea Filter Polishing & Finishing Lower jaw secured by aThe 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