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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.

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.

Sapphires are super cool rocks that come in many colors and forms, known as the different types of sapphire. Blue sapphire, padparadscha sapphire, and Montana sapphire are just a few …

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 …

Sep 3, 2023 · Everything you ever wanted to know about sapphire. Find value guidelines, scientific data, expert comments, and more in our Gem Listings.

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!

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 is the most precious and valuable blue gemstone. It is a very desirable gemstone due to its excellent color, hardness, durability, and luster. In the gem trade, Sapphire without any color prefix refers to the blue variety of the mineral Corundum.

Apr 22, 2025 · Explore the remarkable evolution of sapphire role beyond jewelry in this informative article. Discover how sapphire's exceptional properties have made it essential in modern technology, from smartphones to spacecraft, and why it's rapidly becoming a critical material in advanced engineering applications worldwide.

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