In the Middle Ages, it was believed that wearing a topaz would protect one from being harmed by lightning.
In ancient Greece, topaz was considered to be a gift from the gods and was used to ward off evil spirits. The gemstone has been associated with a number of different cultures and traditions throughout history. Topazes can be found in many different countries around the world including Brazil, Sri Lanka, Madagascar, Pakistan, Russia, Afghanistan, Australia and the United States. The most commercially sold blue topaz is irradiated synthetic material that imitates naturally occurring Swiss Blue topaz (a very light blue variety of topaz), while some natural stones may have been enhanced by this process as well. Naturally occurring blue topaz is quite rare. It is blue, yellow, pale pinkish brown, reddish brown or greenish blue in color when pure it can also be iridescent after heat treatment or irradiation. Its Mohs hardness is 8, and its specific gravity is 3.49–3.57. It has perfect cleavage in two directions which intersect at 87° and 93° forming eight-sided pinacoids. Topaz crystallizes in the orthorhombic system, and its crystals are mostly prismatic terminated by pyramidal and bipyramidal faces.
Topaz is a silicate mineral of aluminum and fluorine with the chemical formula Al2SiO42F. Topaz is also used in other applications such as, electronic equipment, scientific instruments and industrial machinery. It can be cut into any shape and is usually faceted to maximize its brilliance. This makes it an ideal stone for use in jewelry. Topaz is a hard gemstone and has a rating of 8 on the Mohs scale of hardness. Another famous gemstone is the “Brazilian princess” topaz, a dark blue crystal weighing 904 metric carats (180.8) housed at the American Museum of Natural History. The London Blue Topaz in this crown weighs 92.42 metric carats (18.484 g). The most famous topaz is a colorless gemstone weighing 28.28 metric carats (5.656 g) set in the British Crown, also known as “The Imperial State Crown”. The name “topaz” is derived from the Sanskrit word तोपज (tapasja) or the ancient Greek word Τοπάζιος (Topázios), which originally referred to a yellow stone found on the island of Topazios, now St. The best quality blue topazes come from Minas Gerais in Brazil.
#TOPAZ STONE FREE#
Topazes that are free from blemishes or inclusions are more valuable. The sky blue topaz is the state gemstone of Texas while the imperial topaz has a deep orange color with red highlights. Topaz stone occurs in a wide range of colors including: blue, pink, red, orange, yellow, green and violet. The most popular color of topaz is blue, but it can also be found in yellow, pink, red, green and violet. Topazes that are free from blemishes or inclusions are more valuable than those that are not. The value of topaz depends on its color, clarity, cut and weight. This variety of topaz was used in Russian jewelry and was also known as the “fire opal”.
The imperial topaz has a deep orange color with red highlights. The sky blue topaz is the state gemstone of Texas.
Topaz comes in a wide range of colors including: blue, pink, red, orange, yellow, green and violet. When it is heat treated, it turns a reddish color and is then called ” Madeira topaz”. This type of topaz is found in Brazil and is sometimes called ” Brazilian topaz”. The word “topaz” is also used to describe a yellowish-green variety of quartz. The name was given to the gemstone because of its wide range of colors including, yellow, green, orange, pink, red, blue and violet. Topaz stone is known to have been involved in protecting Queen Elizabeth II against being struck by lightning during her reign, which would explain why she is referred to as the “Queen of Lightning”. Read on to learn more about this amazing gemstone, including its history, famous examples, and common treatment methods. The name topaz was derived from the Sanskrit word “tapas” meaning fire. Topaz stone is known for its metaphysical properties and healing powers.
0 kommentar(er)
