 It is well known in Robe on the Limestone Coast of South Australia as a component of beach sands of Lake Fellmongery and Lake Butler,
where it is believed to be formed from algal spume.Other lacustrine deposits include Lake Issyk-Kul, Kyrgyzstan, Lake Kivu, Democratic Republic of the Congo, and Solar Lake, Sinai.It has been reported as a significant component of the decomposition of ikaite
in the towers of the Ikka Fjord, West Greenland.