Most of them, such as zircon, staurolite, spessartine, riebeckite, rhodonite, piemontite, and actinolite, have beautiful colors and crystal forms, and are widely used in jewelry and ornament making. The matrices in Fig. 4a and 4b were further sorted by the eigenvalues, and the results are...
CD players, VCRs, radios, portable memory chips, washers, dryers, washer/dryers, parking meters, packaging (e.g., electromechanical systems (EMS), MEMS and non-MEMS), aesthetic structures (e.g., display of images on a piece of jewelry) and a variety of electromechanical systems devices. ...