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 reflects ...

Opals, as hydrated forms of silica, encompass a wide range of materials formed by both biogenic and diagenetic processes. The genesis of opal involves precipitation from silica‐rich fluids and ...

There’s something special about opals — several things, to be exact. Every opal is unique due to variations in flashes of color and patterns. And the shade of the opal can change based on the lighting ...

Artist's reconstruction of Fostoria dhimbangunmal, a newly described iguanodontian dinosaur. James Kuether. Three decades ago, opal miner Bob Foster was getting frustrated while digging around in his ...

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 reflects ...