gemstone
Gemstone Ring (Diamond, Emerald, Sapphire, Ruby)
C (Diamond), Be3Al2(SiO3)6 (Emerald), Al2O3 (Sapphire/Ruby)
AI-generated identification · may be incorrectHardness ranges from 9 to 10 on the Mohs scale. Various crystal systems including isometric, hexagonal, and trigonal with high luster.
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Physical properties
Hardness ranges from 9 to 10 on the Mohs scale. Various crystal systems including isometric, hexagonal, and trigonal with high luster.
Formation & geological history
Formed under immense heat and pressure deep within the Earth's mantle over millions of years.
Uses & applications
Primarily used in high-end fine jewelry, collector pieces, and industrial applications.
Geological facts
These four precious gemstones have been revered for millennia for their exceptional durability and optical brilliance.
Field identification & locations
Identified by high hardness, refractive index, and specific crystal habits; mined globally in pegmatites, metamorphic rocks, and alluvial deposits.
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