RUBY FILTER - IDENTIFICATION GEMSTONES

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Ruby Filter is a filter that is extremely useful in differentiating red stones such as Ruby, Spinel, Tourmaline, and Garnets from others that might look similar in comparison. Feat ures: Accurately distinguish the real nature of the gems Approved by strict quality and safety standards Guaranteed high quality and accurate testing results Brand new and unuse Specifications: Filter material: glass Filter Diameter: 20mm Body: Made of metal Swing away metal case Show more