| English Name Spanish Name Scientific Name | |||||||||||||||||||||||||
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| Gabbronit (1) | Glance-blende (2) | Green Copper (19) |
| Gabbronita (1) | Glas-Spat (8) | Green Malachite (19) |
| Gabbronite (1) | Goldschmidtine (1) | Green Vitriol (1) |
| Galenite (5) | Gooseberry-Garnet (1) | Greenlandite (of Breithaupt) (2) |
| Galenoceratite (2) | Gorlandite (4) | Gregorite (of Adam) (1) |
| Gallitzinite (1) | Götheite (3) | Grossular Garnet (1) |
| Garnet Blende (1) | Göthite (3) | Grossularite (1) |
| Garnet Jade (1) | Goumbrine (1) | Groutellite (1) |
| Gel-Cristobalite (1) | Grafito (1) | Guimaraesite (of Gagarin & Cuomo) (1) |
| Gel-pristobalite (1) | Granat-Blende (1) | Gumbrine (1) |
| Gelferz (2) | Graphitoid (of Shepard) (1) | Gypse (1) |
| Gelite (1) | Grastite (1) | Gypsite (1) |
| Genevite (1) | Grau Braunstein (3) | Gypsum irregulare (9) |
| Gersbyite (1) | Grau-Braunsteinerz (1) | Gypsum ponderosum (9) |
| Gesso (1) | Gray Oxide of Manganese (1) | Gyrite (4) |
| Gibbsite (of Torrey) (1) | Gray Oxyd of Manganese (2) | |
| Gibbsitogelite (1) | Green Carbonate of Copper (19) |