We all love our precious gemstones-Ruby and sapphire, being the favorites. But, the actual question is how well do we know them? So the basic difference is only in their color. Both these gemstones belong to the corundum group of minerals. Both these gemstones share the same gemological properties and crystallographic properties. The chemistry shared by both the gems is also the same other than the fact of having a partial trace of elements differing. So, the red corundum is known as the Ruby Gemstone, and all the other colors of corundum available are known as Sapphire. Sapphires are available in various colors such as yellow, white, black, blue and pink to note a few. Ruby Gemstone The ascendant color of the Ruby Stone is red. This red color is due to the impurities of chromium being present in the corundum. The amount of chromium impurity present in the corundum determines the color. A sparse amount of chromium impurities will result in a light pink color whereas a ...
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