Limestone macro photograph

Mineral images: Paesina stone

“Paesina – ‘landscape’ – stone comes from Tuscany, Italy. A silty limestone formed during the Cretaceous period, it is marked by a 3D network of fine cracks through which groundwater diffuses bringing oxides of various minerals and creating the intricate, landscape-like colours and patterns”

Photograph: Earth Images Ltd

Interesting on-line exhibition of Earth Images Ltd at Guardian.co.uk
Rocks and minerals – up close and personal