3734824 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3734824 > 2 > ChemIDplus > 017068767 > 17068-76-7 37346-97-7 Richterite Richterite ((CaNa)((Mg0.5-1Fe0-0.5)4.5-5Al0-0.5)(Si7.5-8Al0-0.5)Na(OH)2O22) > 17068-76-7 37346-97-7 > 017068767 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=017068767 $$$$