gemstone
Emerald
Beryl (Be3Al2(SiO3)6)
AI-generated identification · may be incorrectHardness 7.5-8 on Mohs scale, green color due to chromium or vanadium, vitreous luster, hexagonal crystal system, distinct conchoidal fracture.
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Physical properties
Hardness 7.5-8 on Mohs scale, green color due to chromium or vanadium, vitreous luster, hexagonal crystal system, distinct conchoidal fracture.
Formation & geological history
Formed in metamorphic and hydrothermal environments where beryllium-rich fluids interact with surrounding rocks, often associated with pegmatites.
Uses & applications
Used primarily as a precious gemstone in fine jewelry and as a collector specimen.
Geological facts
Emeralds often contain inclusions known as the 'jardin' (garden), which help gemologists distinguish natural stones from synthetics.
Field identification & locations
Identified by its characteristic green color and hexagonal prism habit, commonly found in Colombia, Zambia, and Brazil.
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