Polishing Materials and Abrasion | Pocket Dentistry
E. Garnet. Garnet is usually dark red in color. Because it is very hard, garnet is a highly effective abrasive. It is found on coated disks and is used for grinding plastics and metal alloys. The term garnet refers to several different minerals that have similar properties. These minerals are the silicates of manganese, magnesium, iron, cobalt ...
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