If your butcher block won't be used for any meals preparation, conversion varnish may be the advisable decision. Mineral deposits (also called pitch pockets or sap pockets) are little black spots that could happen randomly in cherry wood. They are really in which sap was stored at one particular time. https://cashusokg.blogdanica.com/29480549/birch-plywood-sheets-for-sale-can-be-fun-for-anyone