Quote Originally Posted by livio View Post
A month ago I bought on Ebay a stone, I paid about 60$ shipped, and the sellet was very nice and throw a small stone for free.After I received the stone and lapped , a yellow green thuringian, excellent stone as all of you know it. The small stone , 4x1 , it been forgeted. .Couple days ago , I read this thread and I remember the small stone look like your stone. I lapped, and have same metallic particles when in sun light, even with slurry.
To raise slurry I used a 2000 grit sandpaper and was not easy. Anyway here are some pictures.
Regards
Livio
Small stone you are talking about is different stone. it s origin from England.
it seems like glass broken and spread inside the stone. this stone is low grit stone.
i bought one and guy names CF stone . when i got it i couldn't believe my eyes.
In SRP should be another thread about that stone should be old thread.