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Stone description: medium grain
| Wall Number | Country | State | Classification Sort descending | Source |
|---|---|---|---|---|
| 5LA22 | United States | North Carolina | Gneiss | Henderson |
| 5RA42 | United States | New Jersey | Gneiss | Dover |
| 5LA43 | United States | New Hampshire | Gneiss | Sunapee |
| 5LB22 | United States | North Carolina | Gneiss | Alexander |
| 6RA25 | United States | Maine | Gneiss | Turner |
| 10LB26 | United States | Massachusetts | Melaphyre | Brighton |
| 7LB35 | United States | Nevada | Andesite | Reno |
| 10RA47 | United States | Tennessee | Syenite | Hiwasee copper mines |
| 10RB42 | United States | Oregon | Basalt | Albany |
| 6RA32 | United States | Texas | Diorite | El Paso |
| 7RA40 | United States | Montana | Diorite | Helena |
| 9RA38 | Spain | tuff | Alamazanon |