Silica Dome, Valley of Fire State Park, Overton, Nevada, United States of America, North America

Water rich in blue-green algae (cyanobacteria), mineral salts and fine silica mud at the geothermal spa that owes its existence to the Svartsengi geothermal power plant, Blue Lagoon, near Reykjavik, Iceland, Polar Regions

Water rich in blue-green algae (cyanobacteria), mineral salts and fine silica mud at the geothermal spa that owes its existence to the Svartsengi geothermal power plant, Blue Lagoon, near Reykjavik, Iceland, Polar Regions

Water rich in blue-green algae (cyanobacteria), mineral salts and fine silica mud at the geothermal spa that owes its existence to the Svartsengi geothermal power plant, Blue Lagoon, near Reykjavik, Iceland, Polar Regions

Red and white rock formations at Fire Canyon and Silica Dome at sunrise, Valley of Fire State Park, Nevada, Western United States, USA

Red and white rock formations at Fire Canyon and Silica Dome at sunrise, Valley of Fire State Park, Nevada, Western United States, USA

Fire Canyon and Silica Dome, Valley of Fire State Park, Nevada, Western United States, USA

Fire Canyon and Silica Dome, Valley of Fire State Park, Nevada, Western United States, USA

50 Diatom Species, Photomicrograph

Solar panels on a red tiled roof

Quartz sand, which is added to the water as an abrasive material for water jet technology, precise technology for cutting metal with a high pressure water jet, Waterjet company, Aarwangen, Switzerland, Europe