Guide to the Topaz gemstone GemstoneGuru
The Greeks and Romans greatly valued topaz as a gemstone. In medieval times, small wine-yellow Saxonian topaz was mined at Schneckenstein in the Erzgebirge Mountains in Saxony Germany, and several rulers wore these specimens in jewelry.Deep mining was later used at the site from 1737 to 1800. Topaz was always a prized and rare stone from the time of the middle Ages until discoveries of large.
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Natural Topaz Gemstones A brief outline. The name Topaz has been used to refer to yellowish gemstones for at least 2000 years although early gem traders did not realize that these yellow stones could be a variety of different crystals. As gem traders began to get more sophisticated, they came to know that these yellow stones may be quartz.
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Topaz is a semi-precious gemstone formed from magma deposits. Chemically it's made up of silicone, aluminum, and fluoride. Certain chemical impurities and differences will give it a unique color and appearance. It comes in sizes ranging from a fraction of a carat to a record 31,000 carats or 14lbs.
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Topaz is a gemstone. In cut and polished form, it is used to make jewelry or other adornments. It also has other uses. Orange topaz, also known as precious topaz, is the conventional birthstone for November, the symbol of friendship and the state gemstone of the U.S. state of Utah. [18] Blue topaz is the state gemstone of the US state of Texas.
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The Atacama Desert (Spanish: Desierto de Atacama) is a desert plateau located on the Pacific coast of South America, in the north of Chile.Stretching over a 1,600 km (990 mi) strip of land west of the Andes Mountains, it covers an area of 105,000 km 2 (41,000 sq mi), which increases to 128,000 km 2 (49,000 sq mi) if the barren lower slopes of the Andes are included.
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Orbicular Granite Nature Sanctuary: This geological oddity is located 11 km North of Caldera. It is a formation of a small area, about 400 m 2, with circular rock mineral scales on granite rocks, giving a peculiar appearance.Given the unusual nature the rock formation, it was declared a nature sanctuary in 1981 and is protected by conservation laws that apply to this type of landmark.
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Physical Properties Topaz is a silicate with a vitreous luster and is transparent to translucent. It is a very resilient stone, measuring 8 on the Mohs scale of hardness. It occurs in a wide range of treated colors, most often blue. The chemical composition of Topaz is Al2SiO4 (F,OH)2, and its crystalline structure is Orthorhombic.
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Classification Optical Properties Characteristic Physical Properties Chemistry & Crystallography Common Name Topaz Species Topaz Topaz Colors Bi-color Blue
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Topaz Stone is known for its stunning array of colors and unique properties, making it highly sought after by collectors and jewelry enthusiasts for centuries. From its sparkling clarity to its deep and rich hues, this gemstone is truly a one-of-a-kind that is sure to impress.
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Topaz, silicate mineral that is valued as a gemstone. It is believed that the topaz of modern mineralogists was unknown to the ancients and that the stone called topazos was the mineral chrysolite or peridot. The 'topaz' in the Old Testament also may have been chrysolite.
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Blue Topaz is a stone of peacefulness, calming to the emotions, and ideal for meditation and connecting with spiritual beings. It is a natural magnifier of psychic abilities, assisting those who wish to attune to inner guidance, as well as those who serve others through readings or spiritual healing.
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A gemstone that occurs in a wide range of natural and treated colors. Author: Hobart M. King, PhD, GIA Graduate Gemologist Natural Topaz Colors: A collection of faceted topaz in a variety of colors. Starting at the bottom is yellow topaz, sometimes called "golden topaz". In the middle is orange topaz.
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The Mineral topaz. Topaz is a well-known mineral, occurring in large and beautifully shaped and colored crystals. It naturally occurs in many colors, but rarely in pink, purple, and deep blue. Those colors are formed from lighter-colored stones that undergo irradiation and heat treatment. Topaz from certain localities may also turn pink or.
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10 MeV Irradiating colorless topaz with electrons at energy of 10 million electron volts creates a sky blue color. Facts Mineral: Topaz Chemistry: Al 2 (F,OH) 2 SiO 4 Color: Yellow, orange, brown, pink to red to purple red, blue, light green and colorless Refractive index: 1.619 to 1.627 Birefringence: 0.008 to 0.010 Specific gravity: 3.53
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Topaz is the designated stone for the Scorpio zodiac sign, covering the period from October 23 to November 21. All shades of Topaz offer valuable support to Scorpios, helping to balance and mitigate traits like jealousy and possessiveness that are commonly linked with this sign. Furthermore, they amplify Scorpio's inherent strengths of.
