A pair of diamonds that formed hundreds of kilometers deep in Earth’s malleable mantle both contain specks of materials that form in completely opposing chemical environments—a combination so unusual ...

Pegmatite is a type of igneous rock characterized by its large crystal sizes, which can range from one centimeter to several ...

Join us as we explore the mesmerizing world of natural amethyst gems. This video delves into the properties, locations, and formations of these stunning gemstones. Discover how amethyst is formed, ...