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Precious & Imperial Topaz Gemstone Information
Information * Loose gemstones * Jewelry links
Precious Topaz with its warm golden color accentuated with pinkish-peach overtones reflects a youthful glowing blush on the wearer. To avoid confusion between this golden gem and Citrine quartz the term and affection, early discoveries of Precious Topaz, were placed in the jewelry of Russian Czarinas in the 18th and 19th century, thus earning the name of "Imperial Topaz."


Click to view AGTA code.

Refractive Index 1.619-1.627
Hardness = 8 (Moh's Scale)
Specific Gravity =3.53
Species - Topaz
Optic Character - Double Refraction.
Phenomena - Chatoyancy

Ultrasonic: Never use.
Steamer: Never use.
Heat: Poor; color change may occur with heat.
Chemicals that harm: affected very slightly

Crystal Structure
Precious Imperial topaz crystal image.
Crystal system: Orthorhombic, prisms with multi faceted ends.

 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.

Brilliant cut precious imperial topaz.
Round cut.
Oval shape precious imperial topaz.
Oval shape.
Marquise cut precious imperial topaz.
Marquise cut.
Emerald cut precious imperial topaz.
Emerald cut.

 Pear shape precious imperial topaz.
Pear shape.

Princess cut precious imperial topaz.
Princess cut.

  Trillion cut precious imperial topaz.
Trillion cut.

 Step cut precious imperial topaz.
Straight baguette.
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