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.
Metallic-Minerals with a metallic luster are opaque and reflective, like metal. The metal lic elements, most sulfides, and some oxides belong in this category. Submetallic-Describes a mineral that is opaque to nearly opaque and reflects well. Thin splinters or sections of submetallic minerals are translucent.