Learn about moonstone's durability and how to care for your moonstone jewelry.

According to Hindu mythology, moonstone is made of solidified moonbeams.

To be called moonstone, a mineral’s actual identity is not as important as the beauty of its adularescence.

In an exclusive interview with GIA conducted at the 2013 Gem Show in Tucson, Rajneesh Bhandari pulls back the curtain on the too-often secretive world of gemstone treatments.

Mr. Naseri grew up in the lapis trade, working in his father’s business as a young boy. Born in Afghanistan, he rightfully claims a deep knowledge of this gem of his native land.

It’s an emotional roller coaster following veteran gem dealer Evan Caplan in this exclusive GIA interview conducted at the 2013 Tucson Gem Show.

Paula Crevoshay’s one-woman exhibit of her jewelry designs at the Carnegie Museum in Pittsburgh speaks for her esteemed status in the jewelry world. In this GIA exclusive interview recorded at the 2013 Tucson Gem Show, she speaks for herself and her art in eloquent and compelling detail.

Mr. Reif came to the Tucson Gem Show to promote his mine’s product: demantoid garnet, “one of the rarest stones alive.”

退伍军人法案适用于非大学学位（NCD）机构的培训，包括GIA美国宝石研究院。退伍军人事务部将独立评估每家学校的课程。

Nomad’s specializes in a wide range of high-end colored stones such as spinel, tourmaline, peridot, garnet, and corundum, all untreated. Saltzman finds that trade shows are excellent places for educating consumers about the differences between treated and untreated stones.

Jeff Mason provides us with a fascinating look into a sometimes-misunderstood gem and its often-unpredictable market.

Aquamarine is the green-blue to blue variety of the mineral beryl.