Minerals

Photo: Denisbin, Jeff Morgan Panorama Gallery (Flinders)

Mineral = a solid inorganic substance of natural occurrence

Headlines
Vintage UK illustrations of rocks and minerals repurposed as a cool poster and interactive site – Boing Boing

Elsewhere on the Web
British and Exotic Mineralogy

Wikipedia
Birthstone
Amethyst
Vermiculite

Planeta

Rocks

Jade

Gold

Nature

Gypsum

Geology

Turquoise