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.

Yet despite appearances there is a siren’s call here. The world covets opal but the most revered is black opal – a ...

Once rough opal is extracted and processed from the dirt, it has to be cut and polished. This is when the real value of the gem is determined. There's a huge demand for black opal, with lack of ...

(PRESS RELEASE) DALLAS — The American Gem Trade Association (AGTA) announced the winners of the 2024 AGTA Spectrum & Cutting Edge Awards. This year is extra special because it marks 40 years of ...

Influence of a Black Hole's Spin: First Evidence of Precession in Ultraluminous Accretion Disks Oct. 7, 2024 — Researchers conducted innovative simulations of spinning black holes grounded in ...

It was these drawbacks that led Stuart Semple to create his own incredibly black paint. Over the years, he’s refined the formula and improved its performance, steadily building a greater product ...

Evenly top with the jack cheese and pear slices. Dot the blue cheese over the top and sprinkle with the thyme leaves and the remaining ¼ teaspoon pepper. Bake until the crust is golden brown and crisp ...

When ready to bake, preheat the oven to 350 degrees. On a lightly floured surface, roll the dough out with a flour-dusted ...

Black holes are points in space that are so dense they create deep gravity sinks. Beyond a certain region, not even light can escape the powerful tug of a black hole's gravity. And anything that v ...

Although Hollywood isn’t exactly renowned for representation, the Black Stories collection ensures there’s always a great collection of the best Black movies on Netflix right now. The library ...

A tall, soft-spoken, and ethereal figure in a black column gown, Claire Choisne personally greeted ... everything from a ...

I still love a well-designed portable gaming system - especially if it's currently enjoying a cut-price deal. Black Friday starts on November 29 this year, but early Black Friday gaming laptop ...