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The water appears blue because of the high concentrations of silica, algae, and minerals within it. Although the water itself is actually a milky white hue, the silica within it reflects sunlight and the algae adds a bit of green pigment. Although the other, natural geothermal pools around Iceland are also rich in minerals, the unique mineral ratio in The Blue Lagoon has remarkable healing properties, and many people with skin problems such as psoriasis and eczema have noticed a marked improvement after bathing in it!

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Iceland, Iceland Blue Lagoon, Iceland's Blue Lagoon, Blue Lagoon, Blue Lagoon Spa, blue lagoon, blue lagoon spa, Iceland blue lagoon, geothermal, geothermal spa, geothermal pool, Iceland geothermal, silica, algae, minerals, mineral pool, psoriasis, eczema, geothermal plant, Iceland geothermal plant, geothermal runoff, runoff pool

The beauty of this stunning blue lagoon is matched by the geothermal energy being produced, as harnessing it has allowed Iceland to veer away from fossil fuels in order to heat and power their homes. Using the natural geothermal energy to create electricity is a technique that’s growing by the day—in 2011 alone, nearly 66 percent of Iceland’s energy came from geothermal resources.

+ The Blue Lagoon

Images via Shutterstock