2024

Extraordinary meteorites

HOLOTYPES

Synthetic stones / Jewellery stone cuts

Minerals of the Strzegom Pegmatites

Agates of the Kaczawskie Mountains

Douglas Robert Harman’s Collection

Meteorites

METEORITIES are rocky crumbs of interplanetary matter that have managed to tear through the dense layers of the Earth’s atmosphere and reach the Earth’s surface. Over a day, several hundred million meteoroids (i.e. crumbs of interplanetary matter) fall into our atmosphere at a speed of between 12 and 72 km/s. The vast majority of these, […]

Recently discovered minerals