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Gadolinite

{011}, {111}, {111}, {001}, modified

Galena

{100}

Galena

{100}, {111}

Galena

{111}

Galena

{100}, {221}

Galena

Contact twin on {111}

Galena

{441}, {221}

Galena

{100}, {111}, {110}, modified

Galena

Penetration twin on [111]

Galena

Pseudohexagonal tabular contact twin on {111}

Galenobismutite

Tabular {100}

Garnet

{110}

Garnet

{211}

Garnet

{110}, {211}

Garnet

{110}, modified

Garnet

{211}, modified

Gaylussite

{011}, {112}, modified

Gaylussite

{110}, {011}, modified

Geocronite

Contact twin on {110}

Geocronite

{001}, {225}, {011}

Georgiadesite

{110}, {010}, {011}, modified

Gersdorffite

{111}, modified

Gersdorffite

{100}, {120}, {110}

Gismondine

{232}, multiple contact twin on the normal to {100} and composition planes approx. (100) and (001)

Gjerdingenite-Fe

Tabular, pseudo-orthorhombic

Glauberite

Prismatic {111}

Glauberite

Tabular {001}

Glaucodot

{110}, {021}

Glaucodot

{011}, {110}, {021}, modified

Gmelinite

{101}, {100}, {001}

Goethite

{110}, {010}, {121}, modified

Goethite

Prismatic {110}

Goethite

Gold

{111}

Gold

{100}

Gold

{100}, {111}

Gold

{210}

Gold

Contact twin on {111}

Gold

Contact twin on {111}

Goldichite

{100}, {110}, {011},

Graphite

Tabular {001}

Graphite

Dipyramidal {101}

Graphite

{101}, {001}

Graphite

{101}, {001}, modified

Gratonite

{110}, {021}

Greenockite

{100}, {001}, {001}, modified

Gudmundite

Prismatic {230}

Gypsum

{010}, {120}, {011}

Gypsum

Contact twin on {100}

Gypsum

{010}, {011}, {102}, prisms {hk0}

Gypsum

Contact twin on {001}

Gypsum

Penetration twin on {001}