mineral

Yellow Beryl

Beryl (Be3Al2(SiO3)6)

Hardness of 7.5 to 8 on the Mohs scale, yellow to yellowish-green color, vitreous luster, hexagonal crystal system, poor basal cleavage, and specific gravity of 2.60 to 2.90.

Identified August 5, 2026More mineral →

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Physical properties

Hardness of 7.5 to 8 on the Mohs scale, yellow to yellowish-green color, vitreous luster, hexagonal crystal system, poor basal cleavage, and specific gravity of 2.60 to 2.90.

Formation & geological history

Formed mainly in pegmatites and hydrothermal veins, as well as in metamorphic mica schists and granitic rocks.

Uses & applications

Used as a gemstone in jewelry and as a primary ore of beryllium metal.

Geological facts

Yellow beryl is sometimes referred to as heliodor when it has a golden-yellow or greenish-yellow tint, derived from the Greek words for sun and gift.

Field identification & locations

Identified by its distinct hexagonal crystal habit, high hardness, and lack of good cleavage, commonly found in countries like Brazil, Madagascar, Russia, and the USA.