| 00900 | Augen Gneiss | 2 Floor S5 c211 |
| 00930 | Amphibole Schist | 2 Floor S4 c210 |
| 01088 | Augite Porphyrite | 2 Floor S3 c207 |
| 01089 | Amphibolite | 2 Floor S3 c207 |
| 05721 | Amphibolite | 2 Floor S2 c203 |
| 07691 | Augen Gneiss | 2 Floor S3 c218 |
| 11757 | Andalusite hornfels | 2 Floor S4 c219 |
| 11882 | Andesite(Quartg-bearing biotite amphihole hypersthene angite) | 2 Floor S3 c207 |
| 11924 | Native Asphalt | 2 Floor S12 c249 |
| 12029 | Akita Komagatake Lava | 2 Floor S4 c220 |
| 12030 | Akita Komagatake Lava | 2 Floor S4 c220 |
| 12034 | Alkali Trachytic | 2 Floor S2 c203 |
| 13545 | Altered Pumiceous Tuff | 2 Floor S6 c215 |
| 13592 | Altered Olivine | 2 Floor S2 c203 |
| 13594 | Andesite | 2 Floor S3 207 |
| 13887 | Alnoite | 2 Floor S3 c217 |
| 13891 | Anorthosite | 2 Floor S3 c217 |
| 19107 | Andesite(Quartg-bearing biotite amphihole hypersthene angite) | 2 Floor S3 2B1 |
| 19120 | Amphibolite | 2 Floor S6 224 |
| 19585 | Anorthosite | 2 Floor S3 217 |
| 19594 | Andesite | 2 Floor S3 207 |