But it is also said that wearing only blue can make one tired and depressed. In general a more pure blue hue is desirable and when a stone strays further from blue it s less valuable. Second only to diamond in hardness this blue rock is a variety of corundum a mineral that when red is called ruby. Turquoise is a copper mineral with a bright blue to blue green color. Blue sapphires with slight violet hues are still top color.
Sapphire is the ultimate representation of blue gemstones and has consistently remained one of the four precious stones in the world along with diamond ruby and emerald. Its vitreous to pearly luster makes it a very attractive gemstone. There are also much lighter or softer blue stones with the most common of the lighter stones being topaz and aquamarine. Precious or semi precious gemstones are classified on the basis of their color translucency and hardness. Still greenish blue and violetish blue gems are quite attractive.
Turquoise is found in dry climates in the rocks above copper deposits. The color is so familiar and so enjoyed that the word turquoise has become a commonly used word for a milky blue green color. Only a few gemstones have a color that is so familiar. Diamonds sapphires emeralds or even rubies for that matter are pieces of mineral that are used to make jewelry or other adornments. Turquoise is found in dry climates in the rocks above copper deposits.
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Diamonds sapphires emeralds or even rubies for that matter are pieces of mineral that are used to make jewelry or other adornments. Sapphire is the ultimate representation of blue gemstones and has consistently remained one of the four precious stones in the world along with diamond ruby and emerald. But it is also said that wearing only blue can make one tired and depressed.
