Scientists have discovered a completely new type of opal formed by a common seaweed which harnesses natural technology by self-assembling a nanostructure of oil droplets to control how light ...

Research that sheds light on how Australian opals formed indicates the red dirt in the land Down Under might be similar to the red surface of Mars.

Scientists have discovered a completely new type of opal formed by a common seaweed which harnesses natural technology by self-assembling a nanostructure of oil droplets to control how light ...

Pictured above is an opal matrix. Any guesses how this unique arrangement of opal is formed? Mineral Monday is a weekly video series exploring the many amazing minerals, fossils, and historic objects ...

It's also Australia's national gemstone. Opals form in rock cavities, so essentially when a bone is buried in sand or clay and turns into stone, opal creates a fossil replica of the bone.

Scientists have found opal-like crystals in the Tagish Lake meteorite, which fell to Earth in Canada in 2000. This is the first extraterrestrial discovery of these unusual crystals, which may have ...

Scientists have discovered a completely new type of opal formed by a common seaweed which harnesses natural technology by self-assembling a nanostructure of oil droplets to control how light ...

The red dirt in central Australia might be a close mimic for the red surface of Mars, suggests research that sheds light on how opals formed in the land Down Under.

Scientists have found opal-like crystals in the Tagish Lake meteorite, which fell to Earth in Canada in 2000. This is the first extraterrestrial discovery of these unusual crystals, which may have … ...