mineral
Beryl
Beryllium Aluminum Silicate (Be3Al2(SiO3)6)
AI-generated identification · may be incorrectHardness of 7.5 to 8 on the Mohs scale, varying colors including green, blue, yellow, and white, vitreous luster, and hexagonal crystal system.
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Physical properties
Hardness of 7.5 to 8 on the Mohs scale, varying colors including green, blue, yellow, and white, vitreous luster, and hexagonal crystal system.
Formation & geological history
Formed mainly in pegmatites and granitic magmas, as well as in metamorphic mica schists and hydrothermal veins.
Uses & applications
Primary ore of beryllium metal, used in aerospace alloys, and valued as a gemstone including varieties like emerald and aquamarine.
Geological facts
Transparent green beryl is known as emerald, while blue-green varieties are called aquamarine.
Field identification & locations
Identified by its distinct hexagonal prism shape, high hardness, and lack of good cleavage; found worldwide in pegmatite-rich regions.
