Nested in the snow-covered mountains of western Iceland, a maze of turbines ... geysers and black beaches - is mainly made of basalt, a dark-grey porous rock formed from cooling of lava.

This lava hardened into basalt rocks, and these were then ground into black sand by moving glaciers, according to Guide to ...

Shortlisted for leisure and wellness interior of the year at Dezeen Awards 2019, The Retreat at Blue Lagoon Iceland by Basalt Architects ... including custom-made lava rock tables with lava ...

dissolve it in water and then inject it into basaltic rock formations where it naturally mineralizes within two years. The technology is already being used in Europe, including a site in Iceland ...