Star sapphires present an optical illusion caused by inclusions in the mineral. Star sapphires: These unique gemstones come in a variety of transparent colors.These gems in their natural form are considered to be rare although synthetic versions are available. Padparadscha sapphires: These natural gemstones are salmon in color.Trace elements of iron cause the yellow color while titanium gives the gems a greenish cast. Yellow sapphires: These gems can range in color from canary yellow to a greenish orange.The color is caused by traces of chromium, which is the same mineral that gives rubies their rosy color. Some of these gems also have a purplish hue. Pink sapphires: The color of pink sapphire gemstones ranges from baby pink to vivid magenta.Blue sapphires are prized for their vivid, saturated color. Blue sapphires can range from a velvety blue color to a violet-blue color. Blue sapphires: These gems are possibly the most famous of natural sapphire varieties.These gemstones come in a wide variety of colors and intensities. Three of the most famous natural sapphires, which are the Logan sapphire, the Star of India, and the Star of Bombay, were mined in Sri Lanka. Those locations include the United States, Cambodia, India, Laos, and Pakistan. Natural sapphires are found in alluvial deposits in a variety of different geographical locations. Synthetic stones may be used for decorative purposes. While natural stones are commonly used in jewelry, they are also used in a variety of industrial settings and products, like wristwatches and infrared optical components. Natural sapphires are gemstones that are made of a variety of corundum, which is an aluminum oxide.
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