gemstone
Yellow Beryl
Beryl (Be3Al2(SiO3)6)
AI-generated identification · may be incorrectHardness of 7.5 to 8 on the Mohs scale, yellow to greenish-yellow color, vitreous luster, hexagonal crystal system, and specific gravity around 2.6-2.9.
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Physical properties
Hardness of 7.5 to 8 on the Mohs scale, yellow to greenish-yellow color, vitreous luster, hexagonal crystal system, and specific gravity around 2.6-2.9.
Formation & geological history
Formed in pegmatites and hydrothermal veins, commonly associated with granitic magmas and greisen environments over millions of years.
Uses & applications
Primarily used as a faceted gemstone in fine jewelry and as an ore of beryllium metal.
Geological facts
Yellow beryl is often referred to as heliodor when the color is a bright greenish-yellow or golden yellow, deriving its name from the Greek words for sun and gift.
Field identification & locations
Identified by its high hardness, distinct crystal habit when rough, and lack of cleavage; found globally in countries like Brazil, Madagascar, Russia, and the USA.
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