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This is a list of gemstones, organized by species and types. Minerals. There are over 300 types of minerals that have been used as gemstones. Such as: A–B
Logan Sapphire. Star of Bombay, given to Mary Pickford by Douglas Fairbanks, Sr. Star of India. Stuart Sapphire. Black Star of Queensland. Star of Adam, with a weight of 1,404.49 carats (280.898 g), it is the largest star sapphire in the world. Queen Marie of Romania Sapphire.
Gemstone. Group of precious and semiprecious stones—both uncut and faceted—including (clockwise from top left) diamond, uncut synthetic sapphire, ruby, uncut emerald, and amethyst crystal cluster. A gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, or simply gem) is a piece of mineral crystal which, when cut or ...
Red beryl is an extremely rare gemstone. For every 150,000 diamonds mined, only one red beryl is found. A two-carat red beryl is considered to be as rare a find as a 40-carat diamond. The rare ...
Sapphire is one of the two gem-varieties of corundum, the other being ruby (defined as corundum in a shade of red). Although blue is the best-known sapphire color, it occurs in other colors, including gray and black, and also can be colorless. A pinkish orange variety of sapphire is called padparadscha.
Prasiolite is a rare stone in nature; artificial prasiolite is produced by heat treatment of amethyst. [4] Most amethyst will turn yellow or orange when heated, producing heat-treated amethysts which are often marketed as citrine , but some amethyst will turn green when treated.
Sunrise Ruby. The Sunrise Ruby. The Sunrise Ruby[1][2][3] is the world's most expensive ruby, most expensive coloured gemstone, and most expensive gemstone other than a diamond. [2][3][4] Originally mined in Myanmar, its current name is derived from a poem of the same name, written by the 13th-century Sufi poet Rumi. [5]
All of June's gemstone options are exceptionally rare and valuable. Jarmon explains their scarcity: "Alexandrite is very rare and very expensive—it is considered to be one of the rarest ...
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