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Topaz is a silicate mineral made of aluminum and fluorine with the chemical formula Al 2 Si O 4 (F, OH) 2.It is used as a gemstone in jewelry and other adornments. Common topaz in its natural state is colorless, though trace element impurities can make it pale blue or golden brown to yellow-orange. [7]
Citrine “A powerful gemstone crystal in a range of deep yellows, oranges, and yellow-cream-white, the citrine gemstone is said to bring abundance and wealth into one’s life,” Salzer says.
A number of individual gemstones are famous in their own right, ... American Golden Topaz, the largest cut yellow topaz, weighing nearly 23,000 carats (4.6 kg).
Gemstones of the World revised 5th edition, 2013 by Walter Schumann ISBN 978-1454909538 Smithsonian Handbook: Gemstones by Cally Hall, 2nd ed. 2002 ISBN 978-0789489852 hide
The DeLong Star Ruby - a 100-carat stone discovered in Burma in the 1930s. The Patricia Emerald - a 12-sided 632-carat emerald found in Colombia in 1920, unique because it was never cut into a gem shape. [2] The Brazilian Princess Topaz - a light blue gemstone weighing 9.5 pounds, considered to be the largest cut gemstone in the world. [15]
The American Golden Topaz, housed in the National Museum of Natural History, Washington D.C.. The American Golden Topaz, a 172-faceted topaz weighing 22,892.5 carats (4.57850 kg; 10.0939 lb), is the largest cut yellow topaz in the world, and one of the largest faceted gems of any type in the world. [1]
Minerals of note in the city are: gold, hematite, dolomite, tourmaline, pyrite, muscovite, topaz and imperial topaz, which is a stone only found in Ouro Preto. Soapstone handicraft items are a common souvenir among tourists, and can be found in many shops in the city's town centre and street fairs.
The post 17 Rose Color Meanings to Help You Pick the Perfect Bloom Every Time appeared first on Taste of Home. ... This rare bicentennial quarter has nearly $20K value — plus 7 more worth thousands.