Each month has at least one representative gemstone. Here's what you need to know about November's birthstones.

Imperial topaz is a medium reddish orange to orange-red. This is one of the gem’s most expensive colors. Sherry topaz—named after the sherry wine—is a yellowish brown or brownish yellow to orange.

As a consumer, you will regularly encounter in the marketplace gems that have been treated to change their appearance. A topic that often comes up is whether a particular gemstone is or isn’t treated.

Preston Smith when he signed the law making blue topaz the official state gem in 1969. Another highlight is the Imperial Flame, a piece loaned by Germany-based Kreis Jewelry that gem artist ...

Some finds are not seen anywhere else in the world, including the rare Imperial Flame topaz, a 332-carat carving from Oura ...

The blue topaz is the state's official gemstone. It's only found in Mason County in the Hill Country. Where: Perot Museum of Nature and Science, 2201 N. Field St. Cost: $25 for nonmembers. Exhibit ...

Blue Topaz: A stunning topaz variety, this blue gemstone is treated after it is mined. You’ll find various rich blue hues in ...

As autumn leaves carpet the ground and Thanksgiving preparations begin, November babies can celebrate their birth month with ...

Those born in November are fortunate, as they can choose from two beautiful birthstones: Topaz and Citrine. Both stones are ...

David Rusling. Following on from her MSci degree, Gem has now joined Imperial College and the Di Antonio group as part of the ICB CDT. Gems research will focus on the interaction between G-quadruplex ...

Rare gemstones and crystals are highly prized not only for their stunning beauty but also for their elusive qualities. While popular gems like amethysts, topaz, and diamonds capture the hearts of many ...