Following is a transcript of the video. Narrator: High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones. But mining black opal isn't easy.

Villagers in Ethiopia uncover rare black opal nearly 10,000 ft high, reshaping the global gem market with vibrant stones.

Shaya Prager has drawn the ire of an Illinois circuit court judge, adding to the list of parties vexed by the embattled real estate investor. Lake County Judge Daniel L. Jasica is overseeing lender ...

Opal’s first webcam looked great — and was a pain. For the company’s second effort, it made everything smaller, better, and simpler. Opal’s first webcam looked great — and was a pain. For the ...

Many people want to develop better screen-time habits, but don’t have a good set of tools to do so. A new startup, Opal, aims to help. The company, now backed by $4.3 million in seed funding, has ...

Opal is now inside the Gemini web app, which means you can build reusable AI mini-apps right where you already manage Gems. If you’ve been waiting for an easier way to create custom Gemini tools ...