Rock Identifier
Yellow Sapphire (Pukhraj) (Corundum (Al2O3)) — gemstone
gemstone

Yellow Sapphire (Pukhraj)

Corundum (Al2O3)

AI-generated identification · may be incorrect

Hardness: 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.