What Is Tanzanite?
In gemology, stones are divided into species and variety, according to Brenda Harwick, Gemological Institute of America (GIA) senior manager of gemology instruction, and tanzanite is a variety of the species zoisite. It is considered a gemstone , which means it has a specific chemical composition, is natural and is inorganic. In the case of tanzanite , that composition includes calcium, aluminum, silica oxide and hydroxide. In other words, it's a calcium aluminum hydroxy silicate.
Tanzanite is found in one place on Earth — Tanzania . Although it's not as expensive as a diamond, tanzanite is much rarer. In fact, some estimates have tanzanite at 1,000 times rarer than diamonds.
It may be hundreds of millions of years old, but the gem was first brought to the attention of humans in 1967, according to the website for Cape Town-New York jeweler Shimansky. Legend says tanzanite was first discovered either by a Masai tribesman (the Masai are an ethnic group living in northern, central and southern Kenya and northern Tanzania) who first noticed the bright blue crystals and contacted Manuel de Souza, an Indian tailor and prospector, or else it was found by de Souza himself.
Tanzanite is known and appreciated for its pure blue or blue-violet color, which is similar to sapphire. It is color, after all, that sells colored stones , Harwick says. So better stones have more intense color and will weigh 5 carats or more. The bigger the stone , the more intense the color, the better the value.
Interestingly, most tanzanite does not display its vibrant color when mined. As much as 95 percent of the gems mined are heat-treated to achieve the blue color. Most tanzanite comes out of the Earth with a brownish hue. Once heated to a brilliant blue, tanzanite's color is stable, so buyers do not need to worry that it will fade.
Like many gems, tanzanite does not have any specific industrial value, but it has an important place in the jewelry industry. There aren't many blue stones , especially with such vibrant color, and tanzanite does not have a synthetic counterpart.
Some people consider gemstones to have healing or spiritual purpose. Certainly, ancient peoples had specific beliefs about them and uses for them. But we can't delve into the history of tanzanite because its discovery is so recent.
Rubies have always been favored by those in roles of power as well as by those in love and are therefore considered a gemstone that involves a lot of emotion.
Some cultures even have a fable regarding the source of the stone.
It was told that rubies grew on trees, starting out as white buds and then blossoming into ripe red rubies ready to be picked.
Rubies are mentioned in the Bible and have been used and appreciated in some of the most ancient cultures.There are also those who believe the stones can improve trouble with eyesight and blood circulation.
Other possible benefits include success with exams and with certain vocations such as medicine, politics agriculture, and the government sphere.
Today it is believed that the wearer of a ruby can obtain a certain level of luxury.
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