Hi guys...
I got a combination hone made in Olean Ny today. Its about the same color as frictionite looks kinda like a dubl duck combination hone. It was filthy and way out of flat so I lapped it... Now its so soft and gritty i can slurry it with my finger! I tried lapping on 600 and even 1500 but it just keeps rapidly shedding material. Did these hones have a fire skin when made? Have I trashed what could have been an awesome hone?!