JIS is an acronym for Japanese Industrial Standard. Mineral abrasives are made of many different materials. Choices include sodium bicarbonate (baking soda) or calcium carbonate; crocus, rouge, or ...

Aluminum oxide, the most common industrial mineral in use today ... Olivine is dustier than garnet and tends to fracture more easily. Pumice Abrasive grain or finishing media consisting of pumice.

Our present-day moon has an interior structure containing a central metallic core, overlain by a mantle comprised of minerals such ... first synthesized garnet-rich lunar rock assemblages (Ol ...

Just a few minerals make up most of the rocks we see, though: feldspars, amphiboles, quartz, olivine, garnet, micas, calcite, and pyroxenes. The possible combinations of these minerals are endless.