Thread: Big coticule

Was not fun to lap. Thin layer dished and convexed in subtle ways. Had to be so careful to not rock the stone during the initial lapping. I couldn't have gotten a better result. The outcome exceeded what I was expecting. Hardness plus using 600 grit helped me control it.

Still need to sort the bbw and get a clean track. 8 5/8" x 1 13/16"

I have found (YMMV) that the Coticules with inclusions work very well and quickly compared to plain ones. Maybe I have used about twenty Coticules over the years.
~Richard

I think there is more in play with coticules with certain types of inclusions or coloring. Ppl just think garnets, but quartz comes into play I think. The slime green ones have other factors in play as well I think

Bbw has sort of rusty colored streaks and glitters heavily. I suspect this is going to be fast going by how it has murdered all the sic based abrasives it has touched

https://m.youtube.com/watch?v=JE9uwG...ature=youtu.be