| American Mineralogist Crystal Structure Database |
| Colors of Minerals |
| MINCRYST | Crystallographic and Crystallochemical Database for Mineral and their Structural Analogues |
| RRUFF | Database of Raman spectra, X-ray diffraction and chemistry data for minerals |
| Handbook of Mineralogy |
| List of gemstones by color |
| Mineral Collection Images |
| Mineral Gallery |
| Mineral Structures (jMOL) |
| Mineral Structures (jPOWD) |
| Mindat | Mineral database |
| Mineralogy Database |
| Virtual Museum of Minerals and Molecules |
