Peridots have been found in meteorites . Peridot has a hardness of 6.5. Peridot cat's eye also exists. When pewter is polished it has a silvery luster. Most pewter is over 90 percent tin.
Pewter is a soft alloy that is worked by casting, hammering, or turning.
The jewelry mostly has a gold-tone finish and Swarovski crystals. When a saw is used, the pattern is drawn on the metal, then a small hole is drilled in each of the future holes. The saw is then used to cut out the desired areas. This art form superficially resembles mosaics . The pin above is by Trifari .