Sapphire - Wikipedia
Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide (α- Al 2 O 3) with trace amounts of elements such as iron, titanium, cobalt, lead, chromium, vanadium, magnesium, boron, and silicon.
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Sapphire Quality Factors | Different Types & Colors of Sapphire
Sapphire is one of the big three of colored gemstones (the other two are ruby and emerald). This durable gemstone captures jewelry buyers with its practicality and aura of romance. Click here and learn about the factors that make sapphire so desirable!
Sapphire Gemstone | Sapphire Stone - GIA
Blue sapphires range in size, and large blue sapphires are more readily available than large rubies. Explore sources, gemological research, and the role of gems in history. Gemological Characterization of Sapphires from Yogo Gulch, Montana. The …
Sapphire Stone Guide | Colors, Meaning, & Price - Brilliant Earth
Learn the ins and outs of sapphires, from mineral composition to origin, color, meaning, and more. What Is a Sapphire? Sapphire is a precious gemstone comprised of the mineral corundum and trace elements like iron, titanium, cobalt, boron, or silicon.
Sapphire | Properties, Color & Uses | Britannica
2024年11月22日 · Sapphire, transparent to translucent, natural or synthetic variety of corundum (q.v.; aluminum oxide, Al2O3) that has been highly prized as a gemstone since about 800 bc. Its colour is due mainly to the presence of small amounts of iron and titanium and normally ranges from a very pale blue to deep
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Sapphire Value, Price, and Jewelry Information - Gem Society
Sapphire is one of the most popular gemstones for jewelry of any kind. Sapphire's hardness is second only to diamond among natural gems. It also has no cleavage planes. These qualities make it a superb jewelry stone for everyday wear, with great resistance to scratches and blows.
Sapphire Description - GIA
Explore sapphire history, research, quality factors, and more in the GIA Gem Encyclopedia.
Sapphire Gemstone: The Complete Guide to History, Colors, and …
2022年7月28日 · In this article, we’ll discuss all the necessary details about the sapphire gemstone: its meaning, history, value, and modern-day use. What is a sapphire? Sapphires have been one of the most prized gemstones in the world for centuries.