Yellow Sapphire Mineral Information

Yellow Sapphire Mineral Information

                                                                      Natural Yellow Sapphire gold ring

Here is comprehensive mineral information about yellow sapphire. Do make sure that you know your facts, especially before buying a precious yellow sapphire so that your purchase is sound or cleaning the yellow sapphire (using chemical agents or electronic processes) so that your gem remains safe.

Species: Corundum

Color: A wide range of shades spanning very pale yellow, light butter yellow, golden butter yellow to bright and vivid canary yellow

Chemical composition: Al2O3, Aluminum Oxide

Color causing trace element/ Chromophore: Iron / Fe

Crystal system: hexagonal

Hardness: 9 on Mohs scale

Specific gravity: 3.99 – 4.00

Refractive index: 1.76 – 1.78

Birefringence: 0.008

Dispersion: Low (0.018)

Flourescence : Yellow Sapphire usually none. Natural yellow sapphire will sometimes fluoresce in shortwave UV light; synthetic yellows will not.

Origins: Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA.

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Gemstoneuniverse.com Table Natural Yellow Sapphire Gemstone Facts

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