Question: what makes the blue lagoon in iceland blue
Answer: The silicate minerals

title: Blue Lagoon (geothermal spa)
text: into the water and a shower chair. There is also a private changing room available for those with special needs, complete with a roll-in shower. The rich mineral content is provided by the underground geological layers and pushed up to the surface by the hot water (at about pressure and temperature) used by the plant. Because of its mineral concentration, water cannot be recycled and must be disposed of in the nearby landscape, a permeable lava field that varies in thickness from to . The silicate minerals is the primary cause of that water's milky blue shade. After the minerals