gemstone
Pink Sapphire
Corundum (Al2O3)
AI-generated identification · may be incorrectHardness of 9 on the Mohs scale, pink to reddish-pink color, vitreous to adamantine luster, trigonal crystal system, and no true cleavage.
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Physical properties
Hardness of 9 on the Mohs scale, pink to reddish-pink color, vitreous to adamantine luster, trigonal crystal system, and no true cleavage.
Formation & geological history
Formed in metamorphic or igneous rocks under high temperature and pressure conditions, often within marble deposits or alluvial gravels.
Uses & applications
Extensively used in high-end jewelry, industrial bearings, and precision watch components due to its extreme durability.
Geological facts
Sapphire is the sister gem to ruby; both are varieties of corundum, with only trace elements like chromium determining the pink hue.
Field identification & locations
Identified by its exceptional hardness, high density, and lack of cleavage, commonly found in Sri Lanka, Madagascar, and East Africa.
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