pirssonite

pirssonite

[′pirs·ən‚īt]
(mineralogy)
Na2Ca(CO3)2·2H2O A colorless or white orthorhombic mineral composed of hydrous carbonate of sodium and calcium.
References in periodicals archive ?
On the other side, when it gets hydrated and cools down nyerereite transform in pirssonite that makes a chemical formula of Na2Ca(CO3)2*2(H2O).
The high content of CaO in waste concrete impedes the geopolymerization of WC as it depletes alkaline hydroxide and forms brittle and soluble pirssonite ([Na.sub.2]C[O.sub.3]-CaC[O.sub.3]-2[H.sub.2]O).
(4) The main mineral compositions of the trona are nahkolite pirssonite, glauberite and amarillite.