Rock Identifier
Aquamarine (Beryl (Be3Al2(SiO3)6)) — gemstone
gemstone

Aquamarine

Beryl (Be3Al2(SiO3)6)

AI-generated identification · may be incorrect

Mohs hardness of 7.5-8; pale blue to light green color; vitreous luster; hexagonal crystal system with good basal cleavage.

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Physical properties

Mohs hardness of 7.5-8; pale blue to light green color; vitreous luster; hexagonal crystal system with good basal cleavage.

Formation & geological history

Forms in pegmatites and hydrothermal veins from cooling magma rich in beryllium, often associated with granite intrusions.

Uses & applications

Valued primarily as a precious gemstone in jewelry and highly sought after by mineral collectors.

Geological facts

Aquamarine gets its name from the Latin word for seawater and was historically used by sailors as a talisman for safe voyages.

Field identification & locations

Identified by its distinct hexagonal prisms and pale blue hue, found globally in countries like Brazil, Madagascar, and Pakistan.