Chelsea Filter Knew Concepts 0 mm (soft metals) Stand

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

Helps transfer layout lines and design marks onto reflective metal

Built for sustained bench use

6" x 2" x 1/2" Mounting Wood box Material Natural Arkansas stone Color Varies — natural product Quantity 1 stone

Chelsea Filter Knew Concepts 0 mm (soft metals) StandThe 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