I noticed last night that my C-nat has a crack running down the length of the stone. It is all the way through the stone, but not the whole length yet. Somehow it is not hurting the finishing qualities of this stone. The stone is from woodcraft and says it's from the guangxi province. It is a good finisher and have used it on all my razors, and they all shave close and comfortable. Is there a way to save this stone from fully cracking? Or would it cost less to replace it for around $35? It is a very hard stone and very difficult to lap.
Bottom side
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Top side
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Thanks in advance on the help