Rock Identifier
Emerald (Beryl (Be3Al2(SiO3)6)) — gemstone
gemstone

Emerald

Beryl (Be3Al2(SiO3)6)

AI-generated identification · may be incorrect

Hardness of 7.5-8 on the Mohs scale, vivid green color due to chromium and vanadium, vitreous luster, and hexagonal crystal system.

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Physical properties

Hardness of 7.5-8 on the Mohs scale, vivid green color due to chromium and vanadium, vitreous luster, and hexagonal crystal system.

Formation & geological history

Formed in hydrothermal veins and pegmatites through the interaction of tectonic fluids with host rocks, often millions of years old.

Uses & applications

Prized globally as a precious gemstone in fine jewelry and high-end collector displays.

Geological facts

Emeralds were mined in Egypt as early as 1500 BCE and are often filled with natural inclusions known as the 'jardin'.

Field identification & locations

Identified by its signature green hue and distinct hexagonal prismatic habit; found notably in Colombia, Zambia, and Brazil.