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.
Some of these minerals are quartz and calcite. Greasy. The greasy type of luster can be found in minerals that look like they were coated with oil or grease. These minerals can also be said to resemble fat and they also feel greasy to touch.he Earth has so many minerals in different categories. Since luster is a property of minerals, luster also varies widely, so there are many different types. Mineralogists first divide the types of luster into two categories: metallic and nonmetallic.