FELTON — An amateur miner hopes to sell what he believes is one of the largest common fire opals in America uncovered near his farm in Idaho. Jim Hartrim, a local gem jeweler, was tending his property ...

Mineral Monday is a weekly video series exploring the many amazing minerals, fossils, and historic objects on display at the W.M. Keck Earth Science and Mineral Engineering Museum as told by museum ...

This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...

SWEETWATER STATION - The scattershot stakes of different sizes and colors stand out among the sagebrush with nothing more than a lonely, sauntering wild horse as far as the eye can see. Over here is a ...

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 ...