Large Natural Test Stone 6" x 3" In Wood Box Gold & Platinum Stock Wire & Tubing 50 shares a shape with

50 shares a shape with the popular H

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2mm 27mm 146

Large Natural Test Stone 6" x 3" In Wood Box Gold & Platinum Stock Wire & Tubing 50 shares a shape withThe Large Natural Test Stone is an essential tool for jewelers and metalsmiths who need to verify the karat value of precious metals. This professional grade stone allows you to test silver, platinum, and gold with accuracy and confidence. The generous 6" x 3" surface area provides ample working space for performing multiple streak tests, making it well suited for busy bench work. Each stone arrives ready to use and is presented in a wood storage box