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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.
El topacio es una piedra preciosa ideal, viene en una amplia gama de colores y sus cualidades relativamente duras permiten muchos usos. En la naturaleza, algunos de los cristales más grandes jamás descubiertos son topacios, a menudo en piezas impecables, perfectos para gemas facetadas.
By Joel E. Arem, Ph.D., FGA, Barbara Smigel, PhD. GG, Donald Clark, CSM IMG, International Gem Society. Topaz is a semiprecious gemstone made of aluminum and fluorine. Although frequently associated with golden yellow and blue, it can be found in a variety of colors including colorless.
Topaz is a precious stone, typically colorless, yellow & is Allochromatic, which means that its color is caused by defects in its crystal structure.
Topaz is a rare silicate mineral that occurs in a wide variety of colors. It is one of the most popular colored stones and measures 8 on the Mohs scale for hardness, meaning that it can be worn safely as jewelry in many everyday situations.
- geology.com
- › Gemstones
a birthstone for the month of November. a gemstone of many colors. Topaz obtains much of its popularity from its beautiful colors and its status as a birthstone. Natural topaz colors include rare and valuable yellow, orange, pink, red, purple, and blue.
Topaz Colors: Blue Topaz, Mystic Topaz, Imperial Topaz, White Topaz & Pink Topaz. Los colores más comunes del topacio no tratado son el amarillo claro, el marrón y el gris. Los tonos pastel verde claro, violeta y rosado también pueden encontrarse.
Hace 6 días · Topaz Description. This selection of gems from Ouro Prêto, Brazil, and Russia's Ural Mountains, displays the golden orange to pinkish red color range of precious topaz. The gems range from 7.61 to 14.33 carats in size. Many consumers know topaz as simply an inexpensive blue gem.
For centuries, many people in India have believed that topaz worn above the heart assures long life, beauty, and intelligence. The name for imperial topaz originated in nineteenth-century Russia. At the time, the Ural Mountains were topaz’s leading source, and the pink gemstone mined there was named to honor the Russian czar.
