Material Index
| Name | Formula | Classifications | Members | Image | Lines | Spectra | Techniques | Tags |
|---|---|---|---|---|---|---|---|---|
| Åkermanite | Ca2MgSi2O7 | Åkermanite-Gehlenite (series) | — | 0 | 0 | — | Mineral, Silicate | |
| Åkermanite-Gehlenite (series) | Ca2MgSi2O7 — Ca2Al2SiO7 | — | Gehlenite, Åkermanite | 0 | 0 | — | Silicate , Series | |
| Żabińskiite | Ca[Al0.5(Ta,Nb)0.5](SiO4)O | Titanite (group) | — | 0 | 0 | — | Mineral, Silicate |