| Austin County | ||
| Racoon Bend Salt Dome | rinneite | |
| Brewster County | ||
| Terlingua | calomel, cinnabar, comancheite, gianellaite, kleinite, mercury, montroydite, mosesite, pinchite, terlinguaite | |
| Chambers County | ||
| Barbers Hill Salt Dome | chambersite | |
| DeWitt County | ||
| Cuero Meteor Crater | sobotkite | |
| Duval County | ||
| Eagle Hill | sepiolite | |
| Soledad Hills | phillipsite-Ca | |
| Hudspeth County | ||
| Sierra Blanca | changbaiite | |
| Llano County | gadolinite-(Y) | |
| Llano | llanoite | |
| Mason County | ||
| Mason Bat Cave | biphosphammite | |
| Presidio County | ||
| Marfa | takanelite | |
| Stonewall County | ||
| Copper Queen Mine | cuprocopiapite | |
| Wharton County | ||
| Boling Dome | hauerite | |
| Young County | ||
| Oliver Mine | cesarolite | |