gemstone
Aquamarine
Beryl (Be3Al2(SiO3)6)
AI-generated identification · may be incorrectHardness of 7.5 to 8 on the Mohs scale, pale blue to light green color, vitreous luster, hexagonal crystal system, and poor cleavage.
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Physical properties
Hardness of 7.5 to 8 on the Mohs scale, pale blue to light green color, vitreous luster, hexagonal crystal system, and poor cleavage.
Formation & geological history
Forms in pegmatites and hydrothermal veins through the crystallization of magma containing beryllium, aluminum, and silicon, typically during late-stage igneous processes.
Uses & applications
Widely used as a precious gemstone in jewelry, particularly in rings, necklaces, and earrings.
Geological facts
Aquamarine is the blue variety of beryl and derives its name from the Latin word for seawater.
Field identification & locations
Identified by its distinct pale blue-green color, high hardness, and hexagonal prismatic crystal habit when raw; commonly found in Brazil, Pakistan, and Madagascar.
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