Marble experts...please ID, and date this one.

[mope540]

i have never seen any marble like this. it has speckles or spots, and has a pearl essence to it. looks to be 1/2" wide. the dark spot has a bit of green glass and some foreign material...that spot looks a lot smaller when looking at it in person than it appears in the pic

what kind is it, and how old is it?? any value??

thanks for any help

 

[cheese]

It's a new marble, chinese. I believe they call it a "frit" marble.