Hey Alberta,

I do realize that the caustic only leaves the diamonds left. I guess there are rediculous amounts of hemitite on the sample. But all I was concerned was that they were taking hemitite off mud and nothing more. But I guess I am not fully educated on caustic fusion testing. I have to do a little more research. I do realize that because of the heavy hemitite they are having to soak it more that usual. All the best