| Jáchymovite (A) | Jeffreyite (A) | Jôkokuite (A) |
| Jacobsite (G) | Jennite (A) | Joliotite (G) |
| Jadeite (A) | Jensenite (A) | Jolliffeite (A) |
| Jaffeite (A) | Jentschite (A) | Jonesite (A) |
| Jagoite (G) | Jeppeite (A) | Jordanite (G) |
| Jagowerite (A) | Jeremejevite (G) | Jordisite (Q) |
| Jahnsite-(CaMnFe) (R) | Jeromite (Q) | Jørgensenite (A) |
| Jahnsite-(CaMnMg) (R) | Jerrygibbsite (A) | Joséite-A (G) |
| Jahnsite-(CaMnMn) (A) | Jervisite (A) | Joséite-B (Q) |
| Jahnsite-(MnMnMn) (G) | Jianshuiite (A) | Joséite-C (N) |
| Jaipurite (Q) | Jimboite (A) | Jouravskite (A) |
| Jalpaite (G) | Jimthompsonite (A) | Juabite (A) |
| Jamborite (A) | Jinshajiangite (A) | Juanitaite (A) |
| Jamesite (A) | Jixianite (A) | Juanite (G) |
| Jamesonite (G) | Joaquinite-(Ce) (A) | Julgoldite-(Fe2+) (R) |
| Janggunite (A) | Joesmithite (A) | Julgoldite-(Fe3+) (A) |
| Janhaugite (A) | Johachidolite (R) | Julgoldite-(Mg) (N) |
| Jankovicite (A) | Johannite (G) |
Julienite (G) |
| Jarlite (G) | Johannsenite (G) | Jungite (A) |
| Jarosewichite (A) | Johillerite (A) | Junitoite (A) |
| Jarosite (G) | Johnbaumite (A) | Junoite (A) |
| Jaskólskiite (A) | Johninnesite (A) | Juonniite (A) |
| Jasmundite (A) | Johnsomervilleite (A) | Jurbanite (A) |
| Jeanbandyite (A) | Johntomaite (A) | Jusite (Q) |
| Jedwabite (A) | Johnwalkite (A) | |