Amber has long been prized for not only its lush, fiery hues, but its elaborate contributions to Earth’s fossil record. As Vasika Udurawane writes for Earth Archives, the petrified tree resin starts ...

Posted: April 29, 2025 | Last updated: July 10, 2025 Opalized wood has been extremely fascinating to me ever since I first learned about it. This video shows the small collection I have gathered over ...

Few realize that the world’s most famous black fire opal – the official Nevada State Gem – was discovered in Nevada’s remote Virgin Valley in 1918. Col. W.A. Roebling, a civil engineer who helped ...