Steven-missed this-My guess would be oxidation.

On Wed, Mar 8, 2017 at 12:09 AM, Stephen Webb <stephen@newlifemarblerestoration.com> wrote:

Hey all, Fabricator installed a small granite vanity top (similar to bianca romano)that had part of it exposed to sun/weather and turned yellow. I'm thinking possible resins in stone effected but not sure. see attached photo its faint but noticeable. Any thoughts on how to remove yellowness?

Thank you


 
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Regards,
Stu Rosen
201-446-1200

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