G

Gadolinite

Gahnite (Spinel Group)

Galena

Ganophyllite 

Garnet

Garnierite

Gartrellite

Gartrellite psm mawbyite

Gaspéite

Gatehouseite

Geerite

Geocronite

Gehlenite

Georgiadesite

Gibbsite

Gilaite

Gilmarite

Gismondine

Glaucophane

Glaucosphaerite

Gmelinite

Goethite

Gonnardite

Gorceixite

Gordaite

Götzenite

Graphite

Greifensteinite

Grossular (Garnet Supergroup)

Groutite

Guarinite

Gugiaite

Gunterblassite

Gypsum

Gyrolite