Dear Carol:
Onyx marble is not going to hold up any better or any worse than any other marble.
May I ask you now to please read and e-sign our Statement of Purpose at:
http://www.marblecleaning.org/purpose.htm?
Ciao and good luck,
Mauri
Article ID: 1080
Created On: Wed, Jan 23, 2008 at 12:44 PM
Last Updated On: Wed, Jan 23, 2008 at 12:00 AM
Authored by: Maurizio Bertoli [mail@mbstone.com]
Online URL: https://marblecleaning.org/knowledgebase/article.php?id=1080