| Unknown | ||||
| Name | Format | Size | Date | |
|---|---|---|---|---|
| Barite - BaSO4 | Unknown | 8KB | 1998-02-09 | |
| BaTiO3 - perovskite | Unknown | 4KB | 1998-02-09 | |
| C - Diamond | Unknown | 2KB | 1998-02-09 | |
| C - Graphite | Unknown | 6KB | 1998-02-09 | |
| C6H6 - Benzene | Unknown | 9KB | 1998-02-09 | |
| CaCO3 - Calcite | Unknown | 8KB | 1998-02-09 | |
| CsCl | Unknown | 2KB | 1998-02-09 | |
| KAlSi2O6 - Leucite (cubic) | Unknown | 15KB | 1998-02-09 | |
| KAlSi2O6 - Leucite (tetragonal) | Unknown | 15KB | 1998-02-09 | |
| MgAl2O4 - spinel | Unknown | 7KB | 1998-02-09 | |
| NaCl - halite | Unknown | 2KB | 1998-02-09 | |
| Si | Unknown | 2KB | 1998-02-09 | |
| SiO2 - Quartz (alpha) | Unknown | 11KB | 1998-02-09 | |
| ZnS - sphalerite (cubic) | Unknown | 2KB | 1998-02-09 | |
| ZnS - wurtzite (hexagonal) | Unknown | 3KB | 1998-02-09 | |