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Stone classification: Quartzite
| Wall Number Sort descending | Country | State | Source | Description |
|---|---|---|---|---|
| 10LA49 | United States | Michigan | Vulcan | light gray, fine grain, compact, Lower Silurian |
| 10LB40 | United States | South Dakota | Sioux Falls | reddish, fine grain, compact |
| 10LB41 | United States | Maryland | Frederick Co. | cream-colored, coarse grain |
| 11LB27 | United States | Arkansas | Bald Knob | buff, fine grain, compact |
| 5LB31 | United States | Colorado | Pitkin | white, very fine, compact |
| 5LB33 | United States | Minnesota | Courtland | purplish-red, fine grain, compact |
| 6LB47 | United States | Louisiana | Unknown | drab, white-dotted, fine grain, compact |
| 6RA19 | United States | Pennsylvania | Jacksonwald | light gray, fine grain, compact |
| 6RA47 | United States | Wisconsin | Waterloo | gray, coarse grain, compact, paving stone |
| 6RB1 | United States | Pennsylvania | Huntingdon | light gray, fine grain |
| 7La18 | United States | Pennsylvania | Mapleton | light gray, fine grain, compact, Upper Silurian |
| 7LA43 | United States | Wisconsin | Waterloo | gray, coarse grain |
| 7RA22 | United States | North Carolina | Hot Springs | purple, fine grain, compact |
| 7RB43 | United States | Wisconsin | Stevens Point | light gray, fine grain, compact |
| 9LB32 | United States | New York | Fort Ann | buff, fine grain, compact |
| 9Lb35 | United States | South Dakota | Sioux Falls | light reddish, fine grain, Potsdam |