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Cool black gems10/10/2023 Nowadays, heat treatment is common in most sapphires, while naturally retained colored gemstones are very rare. The heating of the stone leads to the removal of inclusions, giving to a crystalline look. Heat treatment is usually used on sapphires to enhance their color and clarity. It is not just blue sapphire that is durable but vibrant black, blue, pink, yellow, orange, purple, and colorless sapphires are also incredibly durable natural sapphires.īlack Sapphire is highly valued and possesses, along with exceptional toughness, a refractive index between 1.76 and 1.78. This sought-after sapphire includes black, blue, green, pink, and yellow stones. These gemstones with much deeper captivating tones tend to be considered the most sought-after among all colors. It is popularly believed that grey to black sapphire is the most fascinating color range. ColorĬolors variations may depend on concentrations of trace minerals. Properties of Black SapphiresĪ gemstone always has something that makes it stand apart from the rest, read on for the distinctive properties of Black Sapphire that will help you to pick the right one. Black sapphires are majorly extracted from Australia & are extracted in bulk quantities. Sometimes, its color varies from dark blue to grey. What Is Black Sapphire?īlack sapphire is a highly opaque stone with dark colors that fascinate and absorb light as it enters the gemstone. With this presence of chemical elements, sapphires are available in every possible color except red – this red corundum is called ruby. ![]() Crystalline corundum is an aluminum oxide compound that possesses traceable amounts of other elements, giving a rainbow of color to these magical gemstones. This corundum type of sapphire is highly sought-after. ![]() Sapphire is the popular name variety of the mineral corundum. It is known for the same allure as other black gemstones but is far more durable in use. Despite the fact that vivid blue sapphire has always been immensely popular, Black Sapphire's fame for its fascinating beauty has been on the rise in these recent years. ![]() You may have come across the name blue sapphire, but "What Is Black Sapphire?" may always be on your mind.
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