| Country | State | Classification | Source | WallNo | Centennial | Commercial | Location | surroundPic |
| United States | Pennsylvania | Argillite (Slate) | Slatedale | 7RA17 | y | Front Face (South) | Dscf0235.jpg |
Description |
| blue-black |
| fine grain |
| roofing and tile slate |
ARCHIVE STONE NOT AVAILABLE
