Dravite is the magnesium-rich brown end-member of the tourmaline group.

Elbaite is the lithium-rich tourmaline species that includes many prized gem tourmaline colors.

Emerald stands apart from other green gems because colour carries more weight than absolute clarity. Even stones with visible inclusions can be highly regarded when the green is vivid, lively, and unmistakably within the emerald range.

Epidote is a monoclinic sorosilicate mineral with green coloration and occasional facetable transparency.

Ethiopian Opal profile is under factual gemological review. Properties shown here are provisional unless marked as verified.

Euclase is a beryllium aluminum silicate hydroxide mineral occasionally cut as a collector gemstone.

Fire agate is a chalcedony variety with iridescent colors caused by thin iron-oxide interference layers.

Fire chalcedony is an orange-red chalcedony trade variety distinguished by body color rather than interference iridescence.

Fire quartz is a trade term commonly used for hematoid quartz showing red-orange internal inclusion color.

Fluorite is a calcium fluoride mineral known for wide colour variation, strong cleavage, and common fluorescence.

Freshwater pearls are cultured biogenic gems produced in freshwater mollusks.

Galaxy stone is typically a decorative trade product rather than a mineral species designation.

Garden quartz is a trade name for quartz with inclusion scenes resembling landscapes.

Garnet is often discussed with one eye on colour and the other on where the material comes from. Collectors and lapidaries comparing similar stones often come to it for different reasons, but identification still comes back to green body colour, 6.5 Mohs hardness, and vitreous lustre. The secondary burgundy note often matters more than people expect when separating it from lookalikes.

Ghost quartz is quartz containing internal phantom crystal outlines created during interrupted growth.

Golden healer quartz is a trade term for quartz with yellow-gold iron-oxide coloration.

Goshenite is often discussed with one eye on colour and the other on where the material comes from. That combination of blue body colour, 7.5 Mohs hardness, and vitreous lustre is what usually makes it recognisable in practice. The secondary green note often matters more than people expect when separating it from lookalikes.

Green apatite is a calcium phosphate gemstone valued for vivid green hues and high brilliance.

Locality plays an important role in how Green Beryl is understood in the gem trade. That combination of green body colour, 7.5 Mohs hardness, and vitreous lustre is what usually makes it recognisable in practice.

Green chalcedony is a green microcrystalline quartz variety used for cabochons and beads.

Green jade is a trade category encompassing green jadeite and green nephrite materials.

Green jasper is an opaque green chalcedony/jasper variety used in lapidary and ornamental work.

Green quartz is a broad trade category that may include naturally green included quartz or treated quartz.

Green Sapphire profile is under factual gemological review. Properties shown here are provisional unless marked as verified.