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 minerals can have more than one color, but for others the color is distinctive. For example, the min-eral azurite, a copper carbonate, was given its name because of its deep azure-blue color.The luster of a mineral adds to its overall appearance. Minerals that appear bright and shiny have metallic luster.