| IGSN | Sample Type | Notes | Location | Number Thin Sections | Storage Location |
|---|---|---|---|---|---|
| GRD03O9S0 | Quartz group | Botryoidal chalcedony, slightly translucent. On volcanic rock | Unknown | 0 | Ritter 154, 6 H |
| GRD03OAS0 | Quartz | Flint arrowhead | Unknown | 0 | Ritter 154, 6 H |
| GRD03OBS0 | Quartz | Two samples, both are aggregates of terminated amethyst scepters. One sample has an opaque, smoky quality to the exterior of scepters | Unknown | 0 | Ritter 154, 6 H |
| GRD03OCS0 | Tourmaline | Tourmaline var. Hexagonite | New York | 0 | Ritter 154, 5 A |
| GRD03ODS0 | Vanadinite | Vanadanite on Barite | Morocco | 0 | Ritter 154, 12 E |
| GRD03OES0 | Igneous | 0 | |||
| GRD03OFS0 | Igneous | 0 | |||
| GRD03OGS0 | Igneous | 0 | |||
| GRD03OHS0 | Igneous | 0 | |||
| GRD03OIS0 | Igneous | 0 | |||
| GRD03OJS0 | Igneous | 0 | |||
| GRD03OKS0 | Igneous | 0 | |||
| GRD03OLS0 | Igneous | 0 | |||
| GRD03OMS0 | Igneous | 0 | |||
| GRD03ONS0 | Igneous | 0 | |||
| GRD03OOS0 | Igneous | 0 | |||
| GRD03OPS0 | Igneous | 0 | |||
| GRD03OQS0 | Igneous | 0 | |||
| GRD03ORS0 | Igneous | 0 | |||
| GRD03OSS0 | Igneous | 0 | |||
| GRD03OTS0 | Igneous | 0 | |||
| GRD03OUS0 | Igneous | 0 | |||
| GRD03OVS0 | Igneous | 0 | |||
| GRD03OWS0 | Igneous | 0 | |||
| GRD03OXS0 | Igneous | 0 | |||
| GRD03OYS0 | Igneous | 0 | |||
| GRD03OZS0 | Igneous | 0 | |||
| GRD03P0S0 | Igneous | 0 | |||
| GRD03P1S0 | Igneous | 0 | |||
| GRD03P2S0 | Igneous | 0 |