Dear Wanda:
Absolutely not! That stone can't be technically sealed, not even with the outstanding MB-4!
Focus on learning on how to take care of your stone on a daily basis, which is vastly more important than the sealing.
I recommend using MB-5 teamed up with MB-13.
Ciao and good luck,
Article ID: 21
Created On: Wed, May 9, 2007 at 5:07 PM
Last Updated On: Wed, Jul 15, 2009 at 12:00 AM
Authored by: Maurizio Bertoli [mail@mbstone.com]
Online URL: https://marblecleaning.org/knowledgebase/article.php?id=21