Quote Originally Posted by S0LITARYS0LDIER View Post
That is up for debate. My thoughts are a 100 year or less gap in when the stones were mined wouldn't make much of a difference in a rock that took millions of years to create in the first place. It's also hard to tell if that's a BBW or slate on the back of your Citi. That is up to you to find out. It just looked like to me in the picture to be a slate backing but it could very well be a glued piece of BBW. Whatever the case it is not a natural combination stone. Play around with it when you're ready.
I hear you. I based that off of one thread I read.

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Could have been glued I have no idea...