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Sapphire Powder Linde A (0.3 micron) - 50g

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Our Price: $32.75  

Product Code: JB-POLSA3

99.9% pure Aluminia. Remarkable fidelity in particle size grading. Works great for faceting or cabs. A real problem solver for years. A superb polishing grade of Aluminum Oxide for softer stones. Use on a tin or lead-tin polishing lap at slow speed for best results. Mix with water to form slurry; mix powder with just enough water to form a paste (not quite toothpaste-thick). Like Linde A. .3 micron. Made in the USA. Sapphire Powder is used for polishing tourmaline, beryl, garnet, topaz, peridot, danburite, etc. It has a hardness of Mohs 9, and is therefore most useful for polishing very h ... Read more

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