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GREAT SALT LAKE, Utah — Rare mirabilite formations were recently spotted on the waters of Great Salt Lake.
According to the Utah Division of State Parks, the rare mirabilite formations can only be found in a few areas; the Canadian Arctic, Antarctica, Central Spain, and Utah.
The Utah Geological Survey said that mirabilite mounds form when water rich in sodium sulfate comes into contact with cold air. Crystals stick together, creating mounds. The mounds are composed of hydrated sodium sulfate, commonly known as Glauber’s salt.
Mirabilite is common and found in saline lakes all over. Crystals form and reach the water’s surface, …