Written by  2015-01-20

Ruby

(17 votes)

ruby in chiangmaiRuby is one of the most popular gemstones, and is used extensively in Jewelry. Ruby is used in all forms of jewelry, including bracelets, necklaces, rings, and earrings.

It is used both as centerpiece gemstone in pendants and rings, as well as a secondary stone to complete other gemstones like diamonds.

Ruby is thus named because of its red color (Latin - ruber). It was not until about 1800 that ruby, as well as sapphire, was recognized as belonging to the corundum species. Before that, red spinel and the red garnet were also designated as ruby.  The red color varies within each individual deposit, so it is not possible to determine the source area from the color. The designations "Burma ruby" and "Siam ruby" are therefore strictly erroneous, and refer more to quality than origin. The most desirable color is the so-called "pigeon's blood", pure red with a hint of blue. The distribution of color is often uneven, in stripes or spots. The substance that provides the color is chromium, and in the case of brownish tones, ironis present as well. As a rougn stone, ruby appears dull and greasy, but, when cut, the luster can approach that of diamond. Heat treatment is commonly used to improve the color.

Ruby is the hardest mineral after diamond. However, the hardness varies in different directions. Ruby has no cleavage, but has certain preferred directions of parting. Because of brittleness, care must be taken when cutting and setting.

Inclusions are common. They are not always indicative of lower quality, but show the difference between a natural and a synthetic stone. The type of inclusion (minerals, growth structures, canals, or other cavities) often indicates the source area.

Large Ruby gems are extremely rare and valuable. In Shiraz, we have wide selection of Ruby for you to choose from. If you want to buy Ruby in Chiang Mai, please make sure that you have our address handy. Or you may contact us before making a visit.

 

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