Yellow Sapphire
Corundum
What is Yellow Sapphire?
Yellow Sapphire is a gemstone variety of corundum, prized for its vibrant yellow color. The color is primarily due to the presence of trace amounts of iron. It forms in various geological environments, including metamorphic rocks and alluvial deposits. The best quality stones are transparent with excellent clarity and brilliance. Yellow Sapphires are often faceted to maximize their sparkle and are used in jewelry for their beauty and durability.
Optical Properties
- Refractive Index
- 1.762-1.770
- Birefringence
- 0.008
- Pleochroism
- Weak
Discover Values
This stone excels in beauty.
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Yellow Sapphire Localities Map
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Quick Facts
Physical Properties
- Color
- Yellow, ranging from pale to intense golden hues
- Hardness (Mohs)
- 9
- Density
- 3.99-4.00 g/cm³
- Luster
- Vitreous
- Crystal System
- Trigonal
Chemical Properties
- Chemical Formula
- Al2O3
- Elements
- Al, O, Ti, Fe, Cr, V, Ga
Also Known As
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