Spinel - magnesium aluminum oxide (MgAl2O4)

In this video, we explore spinel, a fascinating gemstone composed of magnesium aluminum oxide (MgAl2O4). With a wide range of colors like red, blue, purple, and black, spinel is often confused with other gems like rubies. It ranks 8 on the Mohs scale, making it durable for jewelry, and features a vitreous luster with no cleavage. Spinel's octahedral crystals and a specific gravity between 3.5 and 4.1 give it added depth and beauty. Found in Sri Lanka, Myanmar, and Afghanistan, spinel is a gemstone worth exploring.
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