http://www.bellacerafloors.com/hardwood-flooring/Hickory-hardwood-flooring.aspx ...... One reason many decide to choose hickory flooring, characterized by tan to reddish heartwood and white to cream-colored sapwood, for their homes.Hickory hardwood has closed, rough grain and is dense and durable. The grain and density, however, make installing hickory hardwood difficult. Hand tools are not strong enough for the wood's density, and machining and sanding, as a result, are difficult.