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 ...

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, ...

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

Painite, Gold Sheen Sapphire, Red Beryl, and Musgravite. Learn why collectors value these scarce, unique stones above all ...

Star clusters are collections of thousands to millions of stars bound together by gravity — and many can be observed in the night sky with binoculars or a small telescope. One notable example is ω ...