Cabochon Sapphire Information
The prices, uses and value of cabochon sapphire can differ greatly, depending on the size and quality of the individual gemstone.
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The Ultimate Guide to Precious Gemstones
From the fiery red of a ruby to the deep blue of a sapphire, gemstones have fascinated humanity for millennia. Each stone tells a story of mystery, origin, and symbolism– shaped over millions of years inside the Earth. In the Sosna Gems Gemstone Encyclopedia, you’ll uncover the secrets of emeralds, spinels, and many more rare gems. Learn how ancient civilizations treasured them as talismans, why some stones became symbols of royalty, and how they continue to hold timeless value today. Step into this world of color and brilliance – and discover the gem that speaks directly to you.
The prices, uses and value of cabochon sapphire can differ greatly, depending on the size and quality of the individual gemstone.
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Star Sapphire is a type of sapphire that exhibits a star-like phenomenon known as asterism. Star sapphires contain intersecting needle-like inclusions that cause the appearance of a six-rayed'star shaped pattern.
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The green or blue-green hue comes from the presence of iron (FE) in the crystal. Because of the presence of the iron, the green or blue-green sapphire has a higher...
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Some rare natural sapphires exhibit a star-like phenomenon known as asterism. These gems contain intersecting needle-like inclusions that cause the appearance of a six-rayed star when viewed with a single...
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Color Change Sapphire gems are typically blue in outdoor light and purple under (incandescent) indoor light. The color change in Color Change Sapphire may also be pink in daylight to...
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The rarest and most valuable fancy color sapphires are the exquisite orangy-pink or pinkish-orange gems referred to as "Padparadscha" after the Sinhalese word for lotus blossom.
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Yellow Sapphire has become a favorite in jewelry because it is available in so many color nuances, ranging from a light lemon yellow to a fully saturated vivid yellow to...
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Pink Sapphire has become a favorite in jewelry, especially engagement rings, because it is available in so many shades, ranging from light pink to hot pink and purplish pink. Pink...
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Blue Sapphire is one of the classic colored gemstones and is always in fashion. It is valued for its vivid color, its excellent hardness (9 on the Mohs scale) and its...
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Chrysoprase is probably the least known member of the microcrystalline group, but it is generally considered to be the rarest and most valuable.
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The vivid greenish blue material known as gem silica is quite rare, and high quality specimens are coveted by collectors and jewelry designers.
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Chalcedony, the beautifully colored cryptocrystalline quartz that could be precisely carved into seals and amulets, was a treasured gem of the ancient world.
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