The second stone is much more difficult to read. I'll let someone else give it a try.  However, the Hebrew doesn't offer any additional important information over the English inscription, other than saying she was the wife of Avraham.
--
Steve Goldberg
Jerusalem, Israel
Researching:
Sagan/Shagan family from Veliuona (Velon), Lithuania
Goldberg family from Vidukle, Lithuania
Susselovitch/Zuselovitch family from Raseiniai (Rassein), Lithuania