This is part of a series of blog posts – looking into the appearance and composition of commercially available sharpening stones. If you are interested in the previous episodes, check out the archive for them. If you have some suggestion on what I should look at next, or want to share your super secret DIY stones, I could … Continue reading A brief study on sharpening stones – Part 56 – FSK Vitrified #270 (Diamond, Vitrified)