Narrator: Miners start by drilling a vertical shaft in an area that they think contains opal. Then they must clear out an underground room large enough to start digging at the rock. Frederick ...

George Atiyeh, the reluctant icon of Oregon’s environmental movement for his central role in saving Opal Creek from clear-cutters, has gone missing after the Beachie Creek fire roared down the ...

Was Oregon the home of a kidnapped French Princess? Who was Opal Whiteley? To this day there is no clear answer. Her life and her writing remains a mystery. At the turn of the century ...

are clear, but when packed together in certain configurations can give rise to flashes of color. This is due to Bragg diffraction off the different layers in the opal, with different reflected ...