All Stones Below are sold. Contact for help choosing a new stone.
Price is $10/lb for most Binsui. Test Report for any stone available by request.
Some general class types: X-Hard for Chisel Ground, Hard for Kitchen Knives, Medium for Larger Convex Knives, and Soft for polishing wide bevels.
Generally Orange is Softer than White, but it is not the rule, and by no means can stones be inspected by sight only.