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A gemstone refers to a cut and polished piece of mineral crystal that can be utilized to create jewelry or other adornments. Gemstones are created underneath the surface of the Earth and may contain traces of other minerals known as inclusions. The majority of gemstones are found in alluvial gravels and igneous rocks but metamorphic and sedimentary rocks can also contain gem materials. Gemstones are classified into different species and groups...

A gemstone is a precious or semi-precious stone, which is used for making jewelry and is used as an ornament due to its antiquity. Gemmology is the branch of mineralogy, which deals with the study of natural and artificial gemstones. The Earth's crust is composed of three types of rocks, including metamorphic, igneous and sedimentary. Each type of rock originates under various conditions resulting in a diverse range of gemstones. They can be c...