Because these optical elements are usually application-specific, the manufacturers of polishing equipment have had to develop a wide range of approaches to meet varying demands. One area that has ...
While zircon is commonly valued as a gemstone, inside, it contains the metal zirconium. The metal can withstand very high temperatures, enabling ceramics, for example, to be heated to above 3,000 ...
Those born in January are lucky to have the beautiful and diverse garnet as their birthstone. Garnets are commonly red but also come in an extraordinary range of beautiful colors, including orange, ...
GIA is the world’s most trusted name in diamond grading and gem identification. With objectivity and expertise as its hallmarks, GIA ensures the integrity and accuracy of every report it issues. GIA ...