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Stone description: biotite
| Wall Number | Country | State | Classification Sort descending | Source |
|---|---|---|---|---|
| 4RB18 | United States | Rhode Island | Granite | Westerly |
| 5LB12 | United States | Massachusetts | Granite | Freetown |
| 5RB40 | United States | South Carolina | Granite | Columbia |
| 6LB25 | United States | Maine | Granite | Williamantic |
| 6RA38 | United States | North Carolina | Granite | Gaston Co. |
| 6RB46 | United States | Vermont | Granite | Barre |
| 7RA37 | United States | Missouri | Granite | Syenite |
| 8RB23 | United States | North Carolina | Granite | Greensborough |
| S1-19 | United States | Unknown | Granite | Unknown |
| S2-73 | United States | North Carolina | Granite | Mt. Airy |
| 5RA39 | United States | Maryland | Gneiss | Baltimore |
| 5LB20 | United States | North Carolina | Gneiss | Jamestown |
| 5RB42 | United States | New Jersey | Gneiss | Bloomingdale |
| 5LA21 | United States | North Carolina | Gneiss | Greensborough |
| 5LB21 | United States | North Carolina | Gneiss | Henry's Station McDowel Co. |
| 6LB29 | United States | New York | Gneiss | Hastings |
| 5LA22 | United States | North Carolina | Gneiss | Henderson |
| 6RA46 | United States | Michigan | Gneiss | Vulcan |
| 6RB17 | United States | Pennsylvania | Gneiss | Philadelphia |
| 5LB35 | United States | Connecticut | Gneiss | Lyme |
| 11LB42 | United States | North Carolina | Gneiss | Hickory |
| 5LB38 | United States | Maryland | Gneiss | Baltimore |
| 7LB17 | United States | Pennsylvania | Gneiss | Chester |
| 9RA31 | United States | Connecticut | Gneiss | Branford |
| 7Lb18 | United States | Pennsylvania | Gneiss | Chester |
| 7LB22 | United States | North Carolina | Gneiss | Shelby |
| 10LB25 | United States | Massachusetts | Gneiss | Northfield |
| 6RA25 | United States | Maine | Gneiss | Turner |
| 8LB25 | United States | North Carolina | Gneiss | Raleigh |
| 6LA39 | United States | Massachusetts | Gneiss | Monson |
| 6RB40 | United States | Maryland | Gneiss | Mt. Royal |
| 5LA43 | United States | New Hampshire | Gneiss | Sunapee |
| 6RA36 | United States | Connecticut | Gneiss | Gastonbury |
| 8LB45 | United States | Wisconsin | Gneiss | Black River Falls |
| 5RA36 | United States | Connecticut | Gneiss | Bolton |
| 11RB30 | United States | Virginia | Schist | Farquier Co. |