White Sapphire Gemstone Information Information * Loose gemstones * Jewelry links White Sapphire is a near colorless corundum often used to simulate a diamond. However you can see by it's hardness white sapphire is a durable gemstone in it's own right. Though they often have a slight tint of color, be that blue, yellow, or any other color they can often be found colorless. View examples of cut white sapphire below and prices in our store section.   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 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 Brilliant cut. Oval shape. Marquise cut. Emerald cut.   Heart Shape.   Trillion Cut. Square cut. Pear Shape.

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