That's looks more like calacatta-again first impression is rust but looks like it could be etched as well.
I would cut it with 80 grit sandpaper see how deep it is-then see what it is by testing for rust if it doesn't come out.

On Tue, Aug 12, 2014 at 10:12 PM, Tony Warney <> wrote:
Contractor / Fabricator called me. Has a customer with Calcutta Gold that has stained.
It is in a bathroom. Supposedly she has only put her straightening iron on this area. Seeing all the circles I think it might be a chemical reaction. Any ideas?
Thanks Tony

Tony Warney
Excel Stone and Tile Care
Visit list archives, subscribe, unsubscribe or change your subscription 
Start a new conversation (thread):

Stu Rosen