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, …

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Sapphire is a precious gemstone comprised of the mineral corundum and trace elements like iron, titanium, cobalt, boron, or silicon. In this guide, you’ll learn everything you need to know about …

Oct 3, 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.

Sapphire is generally known as a blue gemstone but surprisingly it comes in a wide range of colors and quality variations. In general, the more intense and uniform the color is, the more …

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 …

Sep 18, 2025 · What is a Sapphire Gemstone? A sapphire is a precious gemstone belonging to the corundum mineral family, known for its incredible durability, brilliance, and vibrant colors.

Jul 10, 2025 · Everything you ever wanted to know about sapphire. Find value guidelines, scientific data, expert comments, and more in our Gem Listings.

As a sibling to the ruby, the sapphire shares its value, appeal, and scarcity. They are both members of the corundum family with rubies being red and sapphires covering all the other …

Jul 1, 2024 · Sapphire is a precious gemstone that is a variety of the mineral corundum, which is composed of aluminum oxide. It is typically blue in color, but can also be found in other hues …