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Yellow Sapphire Gemstone Information
Information * Loose gemstones * Jewelry links

Yellow Sapphire ranges in color from pale to canary yellow, gold, honey, and brownish yellow.
The lighter and brighter colors are the most common.

 

ENHANCEMENT CODE H
Click to view AGTA code.

PROPERTIES
Refractive Index 1.762-1.77
Hardness = 9 (Moh's Scale)
Specific Gravity =4.0
Species - Corundum
Optic Character - Double Refraction.
Phenomena - Chatoyancy (Very Rare)


WARNINGS FOR CARE

Ultrasonic: Usually Safe
Steamer: Usually Safe
Heat: Poor; may sometimes Improve color, but may cause loss of color
Chemicals that harm: Borax

 

Crystal Structure
Yellow sapphire crystal image.
Crystal system: Hexagonal (trigonal), dipyramidal, barrel and tabloid shape.

MAJOR SOURCES
Australia, Thailand, Sri Lanka, Myanmar, India, Kampuchea, Kenya, Tanzania, US, Madagascar
Birthstones
 January  Garnet
February Amethyst
March Aquamarine
April Diamond
May Emerald
June Pearl/Alexandrite
July Ruby
August Peridot
September Sapphire
October Opal/Tourmaline
November Topaz or Citrine
December Blue Topaz or Zircon
Common Cut Examples.
Round brilliant cut yellow sapphire.
Brilliant cut.
Princess cut yellow sapphire.
Princess cut.

Oval shape yellow sapphire.
Oval shape.
 
 
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