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In addition, it must be hard and durable. Its value increases if it is also rare.The beauty of a gem is measured in terms of its clarity, brilliance, and color. Comments
Minerals are very important for the human body. They have various roles in metabolism and body functions. They are essential for the proper function of cells, tissues, and organs. Some minerals, such as iron, make up part of many proteins and enzymes in the body. Others, such as potassium, help to produce proteins from amino acids and are involved in carbohydrate metabolism. Minerals also play a role in the building of muscle and bone and are important for normal body growth.