What mineral makes lakes turquoise?

Answer and Explanation: Glacial lakes often have a magnificent turquoise color, and this is thanks to tiny sediment particles suspended in the water called rock flour. Basically, the slow and relentless grinding of a glacier over exposed bedrock erodes the rock into tiny, silt-sized particles.



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Most nutrients are found in the bottom layers, but algae thrive in the top layers, where the sun shines, as they need light to grow. The result of all these factors is the clear, blue water that all mediterranean divers know and love so well.

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13 of the most crystal clear waters on Earth
  • Lake Mashu, Japan. ...
  • The Maldives. ...
  • Sheosar Lake, Pakistan. ...
  • Peyto Lake, Canada. ...
  • Abel Tasman National Park, New Zealand. ...
  • The Weddell Sea, Antarctic Peninsula. ...
  • Cancun, Mexico. ...
  • Cook Islands (Rarotonga)


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Because the waters in tropical areas are nutrient poor. The water is therefor much clearer as there are very little microorganisms. And clear water is blue. Just look at a clear sky, blue, from all the water vapour up there.

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It is common to see dyed water in public and recreational establishments, such as golf courses, recreation parks, ornamental ponds and decorative fountains. Aquatic dyes add blue or blue-green color to the water to reduce sunlight penetration.

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