Gemstones are also called precious or semi-precious stones; they are different types of minerals composite of two or more elements except the diamond that are mono in its composition (only the carbon in its composition).
Gemstones can be cut and polished to be used to make jewelry. Some rocks and some organic materials such as amber are not minerals, but are also used for jewelry and are therefore often considered to be gemstones as well. Some minerals are used in jewelry only because of their luster.
Gemstones can be cut and polished to be used to make jewelry. Some rocks and some organic materials such as amber are not minerals, but are also used for jewelry and are therefore often considered to be gemstones as well. Some minerals are used in jewelry only because of their luster.
