The Crystal Polishing Kit contains everything needed by the spectroscopist for repolishing and buffing most infrared transmission crystals, including KRS-5. Two ground glass discs are provided-- one for fine grinding and the other to which self-stick polishing pads may be affixed. Supplied with the Polishing Kit are 400 and 600 grinding compound, Cerium Oxide polishing compound, KRS-5 polishing compound (ideal for resurfacing KRS-5 crystals), finger cots, 1 camel hair brush, 2 polishing pads, 2 ground glass plates, 5 polyethylene squeeze bottles with the above-mentioned compounds contained therein, fitted mahogany base and instructions.