| IGSN | Sample Type | Notes | Location | Number Thin Sections | Storage Location |
|---|---|---|---|---|---|
| GRD02YHS0 | Lazulite | Georgia | 0 | Ritter 154, 11 A | |
| GRD03C0S0 | Turquoise | Nevada | 0 | Ritter 154, 12 F | |
| GRD03C1S0 | Phosphates | Colorado | 0 | Ritter 154, 12 E | |
| GRD03C2S0 | Phosphates | Lead ore | California | 0 | Ritter 154, 12 E |
| GRD03C4S0 | Autunite | Colorado | 0 | Ritter 154, 12 E | |
| GRD03C8S0 | Lithiophillite | Massive orange Lithiophillite | Arizona | 0 | Ritter 154, 12 E |
| GRD03CGS0 | Phosphates | Maryland | 0 | Ritter 154, 12 F | |
| GRD03CIS0 | Lithiophillite | Altered Lithophillite | California | 0 | Ritter 154, 12 E |
| GRD03CKS0 | Triphylite | Triphylite plus Sulfides(?). Collected 1996 | New Hampshire | 0 | Ritter 154, 12 E |
| GRD03CLS0 | Triphylite | New Hampshire | 0 | Ritter 154, 12 E | |
| GRD03CTS0 | Phosphates | South Dakota | 0 | Ritter 154, 12 F | |
| GRD03CUS0 | Phosphates | Fossil bone | California | 0 | Ritter 154, 12 F |
| GRD03CVS0 | Phosphates | Maine | 0 | Ritter 154, 12 F | |
| GRD03CYS0 | Phosphates | Viseite on phosphate rock | Unknown | 0 | Ritter 154, 12 F |
| GRD03CZS0 | Turquoise | Colorado | 0 | Ritter 154, 12 F | |
| GRD03D0S0 | Phosphates | Sweden | 0 | Ritter 154, 12 F | |
| GRD03D1S0 | Phosphates | South Dakota | 0 | Ritter 154, 12 F | |
| GRD03D2S0 | Apatite | Portugal | 0 | Ritter 154, 12 F | |
| GRD03D3S0 | Graftonite | New Hampshire | 0 | Ritter 154, 12 F | |
| GRD03D4S0 | Variscite | Utah | 0 | Ritter 154, 12 F | |
| GRD03D6S0 | Phosphates | California | 0 | Ritter 154, 12 F | |
| GRD03D7S0 | Apatite | Burminco bulk | Canada | 0 | Ritter 154, 12 F |
| GRD03D8S0 | Apatite | Burminco bulk | Canada | 0 | Ritter 154, 12 F |
| GRD03D9S0 | Apatite | Wards bulk, green | Canada | 0 | Ritter 154, 12 F |
| GRD03DAS0 | Apatite | Crystalline Apatite | California | 0 | Ritter 154, 12 F |
| GRD03DBS0 | Brazillianite | Brazil | 0 | Ritter 154, 12 F | |
| GRD03DCS0 | Fluorapatite | Approximately 15 translucent subhedral to euhedral Flourapatite crystals | Mexico | 0 | Ritter 154, 12 F |
| GRD03DDS0 | Apatite | Mexico | 0 | Ritter 154, 12 F | |
| GRD03DES0 | Apatite | Canada | 0 | Ritter 154, 12 F | |
| GRD03DFS0 | Apatite | Madagascar | 0 | Ritter 154, 12 F |