The Benefits Of Employee Training and Development. Employee training and development is an organizational activity in human resource management aimed at impacting the employees with skills aimed at bettering the performance of both the individual and the organization.
Figure 4. (a) Diamond has an adamantine luster. (b) Quartz is not sparkly and has a vitreous, or glassy, luster. (c) Sulfur reflects less light than quartz, so it has a resinous luster.
Pitchy-Minerals with a tar-like appearence have a pitchy luster. Minerals with a pitchy luster are usually radioactive and have gone through the process of metamiction. Waxy-A waxy luster describes a mineral that appears as if it were coated with a layer wax.Dull-This luster defines minerals with poor reflective qualities, much like unglazed porcelain.inerals with a pitchy luster are usually radioactive and have gone through the process of metamiction. Waxy-A waxy luster describes a mineral that appears as if it were coated with a layer wax. Dull-This luster defines minerals with poor reflective qualities, much like unglazed porcelain.