gemstone
Aquamarine
Beryl (Be3Al2(SiO3)6)
AI-generated identification · may be incorrectHardness of 7.5 to 8 on the Mohs scale, transparent to translucent with a vitreous luster, hexagonal crystal system, and a pale blue to light greenish-blue color.
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Physical properties
Hardness of 7.5 to 8 on the Mohs scale, transparent to translucent with a vitreous luster, hexagonal crystal system, and a pale blue to light greenish-blue color.
Formation & geological history
Forms primarily within granitic pegmatites and hydrothermal veins as magma cools slowly deep within the Earth's crust.
Uses & applications
Extensively used as a precious gemstone in fine jewelry, rings, necklaces, and as a sought-after specimen for mineral collectors.
Geological facts
Aquamarine is the blue variety of beryl, with its characteristic color caused by trace amounts of Fe2+ and Fe3+ ions within the crystal lattice.
Field identification & locations
Identified by its distinctive hexagonal prismatic crystal habit, pale blue coloration, and high hardness capable of scratching glass.
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