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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.

Sep 3, 2023 · 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 …

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.

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 …

Mar 5, 2025 · 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 examples showing how awesome they can be. Each type of sapphire has its own special color and story.

Feb 24, 2025 · 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

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!

Detailed gem and jewelry information guide about the corundum blue gemstone sapphire: information & pictures.

4 days ago · The Chase Sapphire Preferred ® card is one of the best travel rewards cards on the market. Its bonus categories include travel, dining, online grocery purchases, and streaming services, which gives you the opportunity to earn lots of bonus points on these purchases.. Additionally, it offers flexible point redemption options, no foreign transaction fees, and …