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Diamond[ a] is a gemstone formed by cutting a raw diamond. Diamonds are one of the best-known and most sought-after gems, and they have been used as decorative items since ancient times. The hardness of diamond and its high dispersion of light —giving the diamond its characteristic "fire"—make it useful for industrial applications and ...
Tanzanite is only found in Simanjiro District of Manyara Region in Tanzania, in a very small mining area approximately 7 km (4.3 mi) long and 2 km (1.2 mi) wide [4] near the Mererani Hills. [ 5 ] Tanzanite is noted for its remarkably strong trichroism , appearing alternately blue, violet and burgundy depending on crystal orientation. [ 6 ]
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 ...
Uncut Gems is a 2019 American crime thriller film [ 5] directed by Josh and Benny Safdie, who co-wrote the screenplay with Ronald Bronstein. It stars Adam Sandler, LaKeith Stanfield, Julia Fox, Kevin Garnett, Idina Menzel, and Eric Bogosian. The film tells the story of Howard Ratner (Sandler), a Jewish-American jeweler and gambling addict in ...
Tiffany & Co. was founded in 1837 by Charles Lewis Tiffany and John B. Young, [ 15] in New York City, as a "stationery and fancy goods emporium", with the help of Charles Tiffany's father, who financed the store for only $1,000 with profits from a cotton mill. [ 16] The store initially sold a wide variety of stationery items and, as of 1837 ...
The Gemological Institute of America ( GIA) is a nonprofit institute based in Carlsbad, California. It is dedicated to research and education in the field of gemology and the jewelry arts. [ 1] Founded in 1931, GIA's mission is to protect buyers and sellers of gemstones by setting and maintaining the standards used to evaluate gemstone quality.
Archaeologists identified Prosser’s find as a silver brooch from the medieval era, about 600 years old. This style of jewelry was common in 13th and 14th century Wales, the release said. The 600 ...
The British crown jewels contain the Cullinan Diamond, part of the largest gem-quality rough diamond ever found (1905), at 3,106.75 carats (621.35 g). A diamond solitaire engagement ring Now popular in engagement rings , this usage dates back to the marriage of Maximilian I to Mary of Burgundy in 1477.