André Devereaux
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Common topaz in its natural state is colorless, though trace element impurities can make it pale blue or golden brown to yellow-orange. Topaz is often treated with heat or radiation to make it a deep blue, reddish-orange, pale green, pink, or purple. Topaz is a nesosilicate mineral, and more specifically, an aluminosilicate mineral.
Learn about topaz, a gemstone with a wide color range and pleochroic properties. Find out its history, lore, treatments, quality factors, and more from GIA, the world's foremost authority on gems.
- London Blue Topaz. London blue topaz stands out with its deep, rich blue color, often described as having a slight grayish undertone. It’s the darkest shade of blue topaz available, and it’s a favorite for those who love gems with a bold and sophisticated look.
- Swiss Blue Topaz. Swiss blue topaz is known for its bright, vibrant blue color. This type of topaz is in the middle of the other blue types— it’s more intense than sky blue topaz but not as dark as London blue topaz.
- Sky Blue Topaz. Sky blue topaz captures the essence of a clear, serene sky. It’s the lightest blue topaz variety, featuring a soft, gentle blue that’s both soothing and eye-catching.
- Imperial Topaz. Imperial topaz is a truly special and rare gemstone that stands out with its striking colors. It’s known for its rich shades of orange, often with pink or peach undertones.
Learn about the different colors, qualities, and treatments of topaz, a semiprecious gemstone made of aluminum and fluorine. Find out how to identify, value, and buy topaz jewelry and gemstones.
Topaz is a rare silicate mineral that occurs in a wide variety of colors. It is one of the most popular colored stones and measures 8 on the Mohs scale for hardness, meaning that it can be worn safely as jewelry in many everyday situations.
Topaz is a rare silicate mineral with a hardness of 8 and a wide range of natural and treated colors. Learn about its physical properties, geologic occurrence, sources, treatments, and uses as a gemstone and birthstone.
May 19, 2019 · Learn about the history, varieties, and benefits of Topaz, a stone that soothes, heals, and recharges. Discover how Topaz can help you manifest your dreams, connect to your higher self, and access your psychic abilities.
