gemstone
Emerald
Beryl (Be3Al2(SiO3)6)
AI-generated identification · may be incorrectHardness of 7.5 to 8 on the Mohs scale, vibrant green color due to chromium and vanadium, vitreous luster, hexagonal crystal system, specific gravity of 2.68 to 2.78
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Physical properties
Hardness of 7.5 to 8 on the Mohs scale, vibrant green color due to chromium and vanadium, vitreous luster, hexagonal crystal system, specific gravity of 2.68 to 2.78
Formation & geological history
Formed in metamorphic and hydrothermal environments where beryllium-bearing fluids interact with surrounding host rocks, often within pegmatites or tectonic fault zones
Uses & applications
Used primarily as a precious gemstone in fine jewelry and treasured by mineral collectors
Geological facts
Emeralds have been prized since ancient Egyptian times, with Cleopatra being famously fond of them. Flaws and inclusions, known as 'jardin', are common and often accepted as proof of natural authenticity.
Field identification & locations
Identified by its distinct green color and hexagonal crystal habit. Commonly found in countries such as Colombia, Zambia, Brazil, and Pakistan
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