Spinel is found as a metamorphic mineral in metamorphosed limestones and silica-poor mudstones. [9] It also occurs as a primary mineral in rare mafic igneous rocks; in these igneous rocks, the magmas …

A new birthstone with vivid colors that span the spectrum. Spinel has a spectacular luster, excellent durability, and is a gem of growing popularity.

Spinel belongs to the cubic crystal system and its characteristic crystal shape is an octahedron, which looks like two back-to-back pyramids. Like ruby, spinel is found in alluvial deposits; it ranks 8 on the …

May 29, 2024 · Spinel has often been confused for ruby or sapphire. But this durable gemstone, which is rarer than a diamond, is gaining popularity due to its color, durability, and more affordable price point.

Oct 5, 2024 · Spinel is a gemstone with a complex history, incredible diversity, and unique physical properties that have intrigued people for centuries. Its discovery intertwined with rubies, its wide …

Spinel, mineral composed of magnesium aluminum oxide (MgAl2O4) or any member of a group of rock-forming minerals, all of which are metal oxides with the general composition AB2O4, in which A may …

4 days ago · There is a quiet poetry to spinel—a gemstone that has adorned the crowns of kings, yet spent centuries living under another’s name. In the soft glow of a jeweler’s lamp, its fire feels …

Spinel is a beautiful gemstone that is often overlooked compared to more famous stones like ruby and garnet. Historically, many red gemstones were called rubies, which causes confusion and mistakes …

Discover the captivating world of spinel gemstones. Learn about their vibrant colors, rich history, spiritual meanings, healing properties, pricing factors, and care tips in this comprehensive guide.

Aug 2, 2021 · The spinel gemstone is as beautiful as ruby, but with an intriguing history. Learn how it makes the perfect choice for jewelry, collecting, and more.