Our Aluminum Oxide powder (also called Linde A) is manufactured and packaged in the US, under rigidly controlled conditions ensuring the highest standards of purity, uniformity and quality.
Linde A - 0.3 micron. Mix powder into a paste for use.
It is an excellent polishing compound for faceting. It will provide a high polish on many gemstones including Topaz, Garnet, Quartz and even Opal.