So, OPAL Fuels has an ROCE of 1.8%. In absolute terms, that's a low return and it also under-performs the Oil and Gas industry average of 13%. See our latest analysis for OPAL Fuels ...

Opals are among the most mesmerizing and unique gemstones in the world, renowned for their vibrant colors and dazzling play-of-light. These gemstones have been admired for centuries and are often ...

Less common is fiery opal, which has red and orange streaks and specks in it. Precious opal, which was treasured by Roman emperors, is the most valuable, ablaze with iridescent colors.

The Fire of Australia, the world’s finest uncut opal, has gone on permanent public display for the first time since its discovery more than 60 years ago.