There's also the incredible 9,630-carat marquise-cut gem and a 15-pound blue topaz, both from Brazil. Texas also has a claim to the gem. The rare blue topaz that has sat at the governor's desk for ...

When Im leads tours through the glittering alcove, she makes sure to ask students if they know what Texas’ official state gemstone is. They usually don’t know that the answer is blue Topaz.

Topaz is a fascinating gemstone that can occur in a range of colors, from the familiar golden-yellow to blue, pink, and even ...

If you have a friend or loved one born in November, you'll want to know the month's symbols to give the perfect gift. People born in November can have one of two astrological ...