Thermonatrite

Thermonatrite is a naturally occurring evaporite mineral form of sodium carbonate, Na2CO3·H2O. It was first described in 1845. Its name is from the Greek θερμός, `thermos`, heat, plus natron, because it may be a dehydration product of natron. Typical occurrence is in dry saline lake beds and as soil encrustations. It has been reported fro.....
Found on http://en.wikipedia.org/wiki/Thermonatrite

thermonatrite

a carbonate mineral, hydrated sodium carbonate (Na2CO3H2O), found near saline lakes as an evaporation product or on arid soil as an efflorescence. ...
Found on http://www.britannica.com/eb/a-z/t/37

Thermonatrite

Sodium carbonate
Found on http://www.translationdirectory.com/glossaries/glossary075.htm
No exact match found