PHIG is People Hone Indeterminate Grit, = Guangxi stone
PHIG is People Hone Indeterminate Grit, = Guangxi stone
Something you might try before giving up that has worked for me with severely dished and very hard stones... Use a 16 x 8 x 2 concrete block, sand, and water. Wet the sand on the block and rub-a-dub, add water, add sand, clear the mud from time to time. After it's flat refine it with a plate or whatever. Cheap and effective.
I lapped my lin idwal on 60 grit sandpaper laid out on concrete. I put a whole lot of force behind it and I took it out and about 5 hours. Mine had a good quarter inch deep dish in it and after lapping it on glass up to 2500 Grit it's a wonderful finisher. I find that it has properties similar to a translucent Arkansas in the fact that you can actually set a grit on it.... if that makes any sense.
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Nice stone thanks for sharing. Do you have any better pics of the one called an Llyn Idwal?
MIke
Could be, see any pink in the stone?
OK heres a pic of my stone. Its currently with Andrew "HARRYWALLY" getting cut into 3 stones. Stone is rather large.
My bad, I was referring to jaswarb pic. did not realize it was resurrected post from 2012.
Mike