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 ...

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

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