What is Topaz Gemstone | Topaz Stone – GIA
Topaz actually has an exceptionally wide color range that, besides brown, includes various tones and saturations of blue, green, yellow, orange, red, pink, and purple. Colorless topaz is …
Topaz Description - GIA
The element chromium causes natural pink, red, and violet-to-purple colors in topaz. Imperfections at the atomic level in topaz crystal structure can cause yellow, brown, and blue …
What is Topaz Gemstone | Topaz Stone - GIA
Topaz is a precious stone, typically colorless, yellow & is Allochromatic, which means that its color is caused by defects in its crystal structure.
What is Topaz Gemstone | Topaz Stone – GIA
Topaz is a precious stone, typically colorless, yellow & is Allochromatic, which means that its color is caused by defects in its crystal structure.
Topaz Quality Factors - GIA
Red is one of the most sought-after topaz colors and represents less than one-half of 1 percent of facet-grade material found. The color the trade calls imperial topaz is highly prized and very …
colors: most commonly it is colorless, but the yellow to brown series, which includes the highly desirable gold to sherry ("imperial") colors, is perhaps best known. Topaz also occurs in blue …
November Birthstones | Topaz & Citrine Birthstone Information - GIA
Having topaz and citrine as your November birthstones gives you numerous choices, as they offer eye-catching colors and sizes. You’ll find our Topaz Buying Guide and Citrine Buying Guide to …
Topaz History and Lore - GIA
For centuries, many people in India have believed that topaz worn above the heart assures long life, beauty, and intelligence. The name for imperial topaz originated in nineteenth-century …
Topaz - Gemological Institute of America
Many people think of topaz as a blue gemstone, but it also comes in shades of yellow, orange, red, pink, purple, and brown. Imperial topaz is a reddish orange to orange-red, and is very …
Historical Reading List: Imperial Topaz from Minas Gerais, Brazil
Mar 1, 2024 · Topaz is an important gemstone found in both plutonic and volcanic igneous rocks, and on occasion in metamorphic rocks. Silica- and fluorine-rich, topaz-bearing igneous rocks …