Spinel is a brilliant and durable gemstone, cherished for its vibrant colors and rich history. Often mistaken for ruby or sapphire in ancient times, spinel is now recognized as a unique and valuable gem in its own right.

Physical Properties

• Chemical Composition: Magnesium aluminum oxide (MgAl2O4).

• Hardness: 7.5–8 on the Mohs scale, making it durable enough for everyday wear.

• Luster: Vitreous (glass-like).

• Transparency: Usually transparent, with occasional inclusions.

Color Range

Spinel is celebrated for its variety of vibrant hues, including:

• Red: Rich and deep, often mistaken for ruby.

• Pink: From delicate blush to vivid magenta.

• Blue: Steely gray-blue to vibrant cobalt blue.

• Purple: Lavenders and violets.

• Orange, Yellow, and Black: Rare and distinctive tones.

The intensity of color depends on trace elements such as chromium, iron, or cobalt.

**Origins and