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, …

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 the …

Besides blue sapphire and ruby, the corundum family also includes so-called “fancy sapphires.” They come in violet, green, yellow, orange, pink, purple, and intermediate hues.

Dec 4, 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.

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 a tough and durable gem, and the only natural gemstone harder than Sapphire is Diamond. Despite this, Sapphire is still subject to chipping and fracture if handled roughly, and care should be …

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 colors. Sapphires are …

Feb 5, 2021 · Sapphires are historical gems with various colors, lore, and prices. This guide covers all of sapphire’s colors, history, meanings, grading factors, and prices.

Feb 2, 2025 · This article delves deep into the formation, properties, and applications of sapphire, exploring why this blue wonder remains one of the most sought-after gemstones.