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.

The shinier the pearl, the better. Black opal is one of the rarest gemstones in the world, sought after for its seemingly infinite display of colors, compared to common opal, which is usually one ...

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.

Green and black tea have similar health benefits, such as boosting alertness and protecting heart and brain health. Both are high in antioxidants but differ in their components. One isn’t necess ...

The new document gives tips on the different ways in which artists can make a positive impact on the environment—with sections including materials, exhibition and display, and activism ...

Created by Jaguar’s Works Bespoke division for a collector in Southeast Asia, these new E-Types are dressed in Signet Green ...

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

"Black opal is the most amazing gemstone on the planet," he says. "The images that come out of it, especially at magnification, are just totally unexpected." Sometimes this was the only chance to ...

From dark scarlet to deep navy, stark black and the ever-classic chocolate ... to Bottega, racing green, velvet, ivy and opal, dark green nails are having a moment in our collective winter ...

时间长河·新品大理石，Fendi White【芬迪白】 ...

Our picks will inspire you to say, "I'll be bag" as you prepare for Terminator-level workouts. These totes, duffels, yoga ...

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations ...