Mindat Short Description
Dehydrates with efflorescence in dry air (compare the lower hydrate pirsonnite). Slowly decomposes in H2O leaving CaCO3 as calcite or aragonite.
Geoscience Ontology Status Notes
Boussingault J B (1826) Analyse d'une nouvelle substance minérale (la Gay-Lussite), Annales de Chimie et de Physique 31, 270-276
IMA Formula (from Mindat)
Na2Ca(CO3)2 · 5H2O
RRUFF Formula (from Geoscience Ontology)
Na2Ca(CO3)2·5H2O