Precious stones or gemstone is a mineral, rock, such in the case of lapis lazuli, or petrified material that when cut or faceted and polished is collectible or ...

Complete, up-to-date, mineral database containing 4,442 mineral species descriptions and comprehensive picture library of images. These data are linked to ...

Internet Design and Development - How to realise the business potential of the Internet can be a challenge. Let Axiom Design help to convert your ideas into a ...