Native split stone is stone that is blasted from the ground at our quarry and then split with a machine into approximately rectangular pieces. While the face of the native split stone is still rough in texture, the overall appearance is less rugged than the quarry stone. For more photo examples of native split retaining wall stone, please click over to our installer's website: Timp Landscaping, Inc. Native Split Stone (Native Veneer Stone on building) . Voice: 815.777.8907 Fax: 815.777.9465 E-mail: hahnquarry@yahoo.com