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Tag: Spinel

Spinel

Spinel is the magnesium–aluminum member of the larger spinel group of minerals with chemical formula MgAl₂O₄. Spinel is actually a large group of minerals. Gahnite, hercynite, ceylonite, picotite, and galaxite are all part of the spinel group. This oxide mineral is a Cubic crystal system with 7.5–8.0 hardness according to the Mohs hardness scale. Spinels […]

Trigon Δ CEYLON Natural spinel Crystal with trigon

Trigon Δ 😘 Fresh from the mineral ® 🇱🇰 CEYLON Natural spinel Crystal with trigon Dimension: 7.5 x 6.1 x 5.3 mm Location: city of gem Ratnapura, Sri Lanka Spinel is the magnesium–aluminum member of the larger spinel group of minerals with chemical formula MgAl₂O₄. Spinel is actually a large group of minerals. Gahnite, hercynite, […]