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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 Gemstone | Spinel Stone - GIA

    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 …

  4. 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.

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

    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 gemological …

  6. Spinel: Meaning, Properties, and Uses - Wisdom Of The Spirit

    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 …

  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. Understanding Spinel: A Gemstone with Brilliance and Vibrancy

    May 14, 2024 · Spinel is a durable gem material. Its hardness is eight on Mohs’ scale, and the absence of cleavage improves its toughness. It is resistant to strong chemicals, such as acids, and its colours …

  9. 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 …

  10. Spinel: Red and blue gems confused with ruby and sapphire

    Spinel is an oxide mineral with a composition of MgAl 2 O 4 and an isometric crystal structure. It is often found in octahedral crystals. It has a Mohs hardness of 8, a high tenacity, and a specific gravity …