thermonatrite Min.
(θɜːməʊˈneɪtraɪt)
[a. Ger. thermonatrit (Haidinger 1845), ‘because it results from the drying out of natron’ (Chester), f. thermo- + natron: see -ite1.]
Hydrous carbonate of soda, found in various saline lakes, about some mines and volcanoes, and as an efflorescence in many dry regions.
| 1859 Page Handbk. Geol. Terms s.v., According to Haidinger, a saturated solution of soda at a temperature of 77° to 99° Fahr., and cooling slowly, forms crystals of thermonatrite. 1863–72 Watts Dict. Chem. I. 795 Na2CO3 + aq. formed from the deca-hydrate by efflorescence, is found native as thermonatrite, in the same localities as natron. |