gemstone
Emerald
Beryl (Be3Al2(SiO3)6)
AI-generated identification · may be incorrectHardness of 7.5-8 on the Mohs scale, vibrant 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, vibrant green color due to chromium and vanadium, vitreous luster, and hexagonal crystal system.
Formation & geological history
Forms in hydrothermal veins or pegmatites when beryllium-rich fluids interact with surrounding metamorphic rocks.
Uses & applications
Prized globally as a precious gemstone for high-end jewelry and collector specimens.
Geological facts
Emeralds were mined in Egypt as early as 1500 BCE and were famously favored by Cleopatra.
Field identification & locations
Identified by its distinct green color and hexagonal prism habit, typically found in Colombia, Zambia, and Brazil.
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