gemstone
Yellow Sapphire (Pukhraj)
Corundum (Al2O3)
AI-generated identification · may be incorrectHardness: 9. Color: Yellow to golden. Luster: Vitreous. Crystal structure: Trigonal. Specific gravity: 3.97-4.05.
- Hardness
- 9
- Color
- Yellow to golden
- Luster
- Vitreous
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Physical properties
Hardness: 9. Color: Yellow to golden. Luster: Vitreous. Crystal structure: Trigonal. Specific gravity: 3.97-4.05.
Formation & geological history
Forms in igneous and metamorphic rocks, often concentrated in alluvial deposits.
Uses & applications
Highly prized in jewelry and Vedic astrology (Jyotish).
Geological facts
Yellow sapphire is considered a very auspicious gemstone in Indian astrology, associated with Jupiter. The image shows a cut stone, noted as 11.50 carats.
Field identification & locations
Identify by high hardness, specific gravity, and characteristic yellow color. Found globally, with notable deposits in Sri Lanka, Madagascar, and Australia.
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