#57 Granite Gravel---$64 per ton Price: $64.00/ton Description: Typical construction, driveway, and drainage gravel. This gray granite gravel ranges from .75 inch to 1 inch in size. Uses: #57 Granite Gravel is typically used wherever you need an inexpensive aggregate. Use for driveways, drainage behind retaining walls, french drains, septic fields, and more. Recommended Coverage: 100 square feet at 2 inches deep Colors: Gray