Spinel (/ spɪˈnɛl, ˈspɪnəl / [7]) is the magnesium / aluminium member of the larger spinel group of minerals. It has the formula MgAl. 4 in the cubic crystal system. Its name comes from the Latin …

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 …

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 …

Oct 5, 2024 · Known for its vibrant colors, remarkable hardness, and a history that intertwines with some of the most famous gemstones in the world, Spinel has long held a special place in both …

Jun 18, 2025 · But spinel is a gem in its own right, with unique properties, vibrant colors, and a fascinating backstory. In this guide, we’ll explore the meaning behind spinel, its physical and …

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 …

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.

Spinel, like garnet and diamond, is singly refractive, with the same physical properties in all crystal directions. It belongs to the cubic crystal system, and its characteristic crystal shape is an …

May 24, 2025 · What is spinel? This is an ode to the most under-hyped, but stunningly gorgeous stone around – Spinel! Spinel is often confused with Ruby, and found in a rainbow of hues, it’s …