gemstone
Yellow Sapphire
Corundum (Al2O3)
AI-generated identification · may be incorrectHardness of 9 on the Mohs scale with trigonal crystal structure. Exhibits a vitreous to adamantine luster and ranges from yellow to golden hues.
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Physical properties
Hardness of 9 on the Mohs scale with trigonal crystal structure. Exhibits a vitreous to adamantine luster and ranges from yellow to golden hues.
Formation & geological history
Forms in metamorphic and igneous rocks, specifically pegmatites and marbles, through high-temperature crystallization under high pressure.
Uses & applications
Extensively used in fine jewelry, luxury timepieces, and industrial abrasives due to its exceptional hardness.
Geological facts
Yellow sapphires are colored by trace amounts of iron and are often associated with prosperity and wisdom in gem lore.
Field identification & locations
Identified by its high density, scratch resistance, and characteristic crystal habit; commonly found in Sri Lanka, Madagascar, and Australia.
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