3727867 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3727867 > 2 > ChemIDplus > 001302596 > 1302-59-6 EINECS 215-102-2 Topaz Topaz (Al2(F0.5-1(OH)0-0.5)2SiO4) > 1302-59-6 > 001302596 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=001302596 $$$$