Re: Mold on Ivory? Welcome to Connecting to Collections Care › Forums › Group Forums › C2C Community Archives – 2012 through 2014 › Mold on Ivory? › Re: Mold on Ivory? March 8, 2013 at 7:23 pm #132907 Valeria OrlandiniMember Ethanol and/or isopropanol does not kill the mold spores in an object. Therefore mixtures of water and ethanol I do not think that are helpful.