Well I was sold this as a charnleywood forrest stone. Was only about 30 dollars so not bothered too much if not. I have cleaned it and made start at lapping it. This stone is hard. the size is 9.5 by 2 uneven bottom looks like it was broke out outside cut from rock narrows from 20mm to 10mm length wise.
http://i1086.photobucket.com/albums/...110115_005.jpg
http://i1086.photobucket.com/albums/...110115_001.jpg
Any one know what it actually is