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 ...

If you were to hold a grain of zircon in your hand, it would look like nothing special — just a tiny, sand-sized crystal, no ...

Despite being around since the 1950s, lab-grown diamonds have only recently exploded in popularity. Allied Market Research states that, in 2022, the global diamond market was valued at $100.4 billion ...

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