True Imperial Topaz is always untreated, and material which has been colored by artificial means such as irradiation is not regarded as genuine Imperial Topaz.
Imperial Topaz is a beautiful, rare gemstone from a sole source near the Brazilian town of Ouro Preto. Imperial Topaz embodies a gem's quintessential ideals: .
There is no official standard for imperial topaz. Some dealers use the term for colors that are orange to pink to red to purple, others reserve the term for certain .
Biography of Dr. Peter Bancroft, Palagems.com Imperial Topaz Buying Guide. .. In contrast, precious topaz (a.k.a. 'imperial' topaz) in rich orange colors fetches .
Traditionally Imperial Topaz was orange in colour with red dichroism. Today the definition can vary widely and has expanded to include colors like pinks, reds, .
The gold color of Imperial Topaz symbolizes â€œthe sunâ€ and it has many positive meanings. That is why it has many meanings related to making dreams come true .
Topaz is a silicate mineral of aluminium and fluorine with the chemical formula Al
The most valuable colors of Topaz are the golden orange-yellow type, called Imperial Topaz, and the dark pinkish-red and orange-red colors. Value increases