A gemstone or gem (also called a precious or semi-precious stone, a fine gem, or jewel)
is a piece of mineral, which, in cut and polished form, is used to make jewelry or other
ornaments.
is a piece of mineral, which, in cut and polished form, is used to make jewelry or other
ornaments.
Gemology or gemmology is the science dealing with natural and artificial gems and gemstones. It is considered a geo-science and a branch of mineralogy.
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