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  1. Spinel - Wikipedia

    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 word …

  2. 13 Gemmy Facts About Spinel - The Overlooked Gem

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

  3. Spinel Gem, Price, and Jewelry Information - Gem Society

    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.

  4. Spinel Description - GIA

    2 days ago · 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 …

  5. What is Spinel? Discovery, Properties, and Origins

    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 gemological studies and …

  6. Spinel | Gemstone, Hardness, Structure | Britannica

    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 …

  7. Spinel Gemstone Information: Colors, History, Value & More

    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.

  8. Spinel Gemstone | Spinel Jewelry - American Gem Society

    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.

  9. Spinel Meanings and Crystal Properties - The Crystal Council

    Spinel is a rare aluminum magnesium oxide mineral that crystallizes in the form of octahedral crystals, dodecahedral, cubic, and massive formations. It can be seen in a variety of different colors such as …

  10. Spinel Gem Guide and Properties Chart - Gemstones.com

    This Spinel gemstone guide lists qualities of the Spinel gem type, including stone colors, common names, meanings, gemstone hardness and more.