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Use wet/dry sandpaper and a piece of plate glass or mable tile from Home Depot. Wet the sandpaper, stick it to the tile, and lap away. :)

Josh

Greg,

Wow, you're set for life. :)

I'll jump in and say that your Escher will almost certainly need lapping. Howard may or may not lap the stones he sells--I can't remember for sure.

I...