Marquise Faceted Genuine Blue Sapphire Best Built The 3M PSA Diamond Cloth

The 3M PSA Diamond Cloth is a pressure-sensitive adhesive wet/dry abrasive designed specifically for working with materials rated harder than 7 on the Mohs scale

designed for drawing square wire with clean

imprecise fit — use the appropriate 1/8" hardware for best results

Smooth surfaces may require additional polishing by hand or with the ECOmaxi Dry Polishing attachment after magnetic tumbling

Marquise Faceted Genuine Blue Sapphire Best Built The 3M PSA Diamond ClothSapphire is one of the most popular colored gemstones in the United States, prized for its extraordinary durability and suitability for everyday wear. Pure corundum the mineral from which sapphire is composed is actually colorless in its purest form, but trace elements of iron and titanium produce the iconic blue color associated with sapphire. These same trace elements are responsible for the wide range of colors found across the corundum family. All