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quality platinum polishing compounds were difficult to source in the United States
Shape Round Sizes Included 4
providing a stable work surface
06 in) 820-3010F 14K Yellow 3
London Dichroscope Silver Sheet Wire Tubing & Casting Grain quality platinum polishing compounds wereThe London Dichroscope is a compact gemological instrument used to observe pleochroism in transparent and translucent colored gemstones. By revealing differences in body color when viewed from different crystal directions, it helps gemologists distinguish many doubly refractive gemstones from single refractive simulants. A quick glance through the viewing windows can reveal subtle color shifts that might otherwise go unnoticed. Features Designed to
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