Amid a plummeting stock market, self-driving cars running amok, and Mark Zuckerberg buying a house in Northwest, another sign ...

Have you ever wondered why you feel an immediate affinity to a certain color? You might always gravitate toward the same ...

Certain gemstones can enhance productivity by providing energetic support. Black Tourmaline shields against distractions, Green Aventurine attracts opportunities, Pyrite boosts focus, Amazonite ...

Aaron is also an actor and stay-at-home dad, which means coffee is his friend. The Righteous Gemstones, the HBO original series about a world-famous (and quite dysfunctional) televangelist family ...

For hikers who love exploring the photogenic orange canyons out West, this unusual slot canyon in Nevada is a great stop for ...

How did the very uneven color distribution develop in fractured crystals? Are sunstones from each of the three mines distinguishable? In 2006, GIA collected gems from the Ponderosa and Dust Devil ...

In terms of what’s selling, the natural colorless-diamond market has weakened recently, he reports, but interest in rare natural fancy-color diamonds has risen ... stones like Paraiba tourmaline and ...

A public benefit, nonprofit institute, GIA is the leading source of knowledge, standards, and education in gems and jewelry. Welcome to GIA. Students around the globe turn to GIA for the knowledge, ...

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