Fellow rockhounds and honers and honists alike, I have a new mystery hone. It was pitch black and covered with years of grime when I got it, and for all I knew it could have been anything. After lapping with 80 grit on all sides to remove the grime, I lapped with a 325, then 800.
I tested it on 2 razors, one off 8k which it improved, and another off a Charnley which as far as I can see, did not harm. Both after 40 laps. I believe it cuts more quickly than a Charnley but not quite as fast as an Escher. I have not shave tested yet, but it passed the HHT very nicely.
8 inches by 1.75'' by 0.8'' thick.
I believe this is of UK origin, though not a Tam. I have pictured it next to a White Tam as it has a similar swirl pattern towards the centre.
There are a number of potentials it may be, but I'd like to see if anyone recognises this stone. I have a very similar looking one that is no where near as fine a cutter or as fast. Piet had a similar one also, but it is definitely different to that variety.
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