Meet kyawthuite, a mineral so rare that it exists in just one known specimen, a stunning gemstone ... The Earth's crust is ...

“It was amazing listening to him talk about the business, and the pieces are absolutely beautiful ... “one of the most expensive objects in the entire universe of mineral specimens ...

What's not to like about mineral specimens? They sparkle. They come in deep, beautiful colors and strange ... Tanjeloff: The most common fakery is to take a single crystal and put it in a dramatic ...

Learn how this rare hue shows up in the natural world with some of the Smithsonian’s bluest specimens ... minerals that have aggregated into a single solid. Lazurite is the most abundant mineral ...

They can be seen alongside a huge range of other extraordinary specimens, including one of the most comprehensive ... can also form beautiful deep red crystals as seen with this specimen. This is a ...

Some of the world's rarest and most valuable geological specimens hide ... and they are just so beautiful," Mr Clark said. "You look at the chemistry of the minerals and you think 'that can ...

Our collections hold a diverse range of specimens from South Asia ... The colour comes from minerals found in the stone, the most dominant one being lazurite. The stone has been used for a wide range ...

In this secure basement, in the words of one entranced ­visitor, “lies a fortress with the most beautiful ... of minerals and crystals — covets Australia’s perfectly formed gold specimen.

The show’s popularity among hobbyists, professionals and the public evolved, and it became the “largest, oldest and most prestigious gem and mineral show in the world,” according to the show ...

The gallery integrates both free-standing, large-scale minerals with small-scale specimens in dynamic visual displays that are designed to rotate often. Customized cases and new, state-of-the art ...

“A search of the tree roots revealed a beautiful green stone shaped like a prism.” The stone was the rare mineral ... testimonials, specimens, and more. It also raised tourmaline’s profile on the gem ...