gemstone
Emerald and Diamond
Beryl (Be3Al2(SiO3)6) and Carbon (C)
AI-generated identification · may be incorrectEmerald has a Mohs hardness of 7.5-8 with hexagonal crystals; diamond is hardness 10 with isometric crystal structure. Emerald is green due to chromium/vanadium, while diamond is transparent.
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Physical properties
Emerald has a Mohs hardness of 7.5-8 with hexagonal crystals; diamond is hardness 10 with isometric crystal structure. Emerald is green due to chromium/vanadium, while diamond is transparent.
Formation & geological history
Emerald forms in hydrothermal veins or metamorphic schists; diamond forms deep in the Earth's mantle under extreme pressure and temperature.
Uses & applications
Primarily used in high-end fine jewelry and as investment-grade gemstones.
Geological facts
Emeralds often contain inclusions known as 'jardin' which authenticate natural origin, while gem-grade diamonds are prized for their exceptional brilliance and fire.
Field identification & locations
Identify emeralds by characteristic green color and inclusions; identify diamonds by extreme hardness and high refractive index. Found in Colombia, Zambia, South Africa, and Russia.
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