Alexandrite is the colour-change variety of chrysoberyl, typically shifting from green to bluish green in daylight to red to purplish red under incandescent light. Commercial alexandrite is sourced mainly from Brazil, Sri Lanka, and East Africa, with the Russian Urals important historically.

Amazonite is a green to blue-green variety of microcline feldspar.

Andradite is a calcium-iron garnet species that includes demantoid and melanite varieties.

Apatite is a calcium phosphate mineral group used as a collector and jewellery gemstone in multiple colours.

Apophyllite is a hydrated silicate mineral group known primarily as collector crystal material and occasional faceted gem.

Aquamarine is appreciated for clarity and calm blue colour more than spectacle. Well-cut stones often look almost water-clear at first glance, with the blue becoming more apparent as light travels through the body of the gem.

Aventurine is a quartz variety containing reflective platelets that create aventurescence.

Azurite-malachite is a natural intergrowth of two copper carbonates used as an ornamental gemstone material.

Beryl 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.

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

Bloodstone (heliotrope) is dark green chalcedony/jasper marked by red iron-oxide spots.

Cat's-eye apatite is a chatoyant apatite variety cut as cabochon to display a moving light band.

Chrome diopside is the vivid green chromium-bearing gem variety of diopside.

Chrome garnet is a trade term for chromium-bearing green garnets, often pyrope-rich material.

Chrysoberyl is a very hard beryllium aluminum oxide gemstone species that includes alexandrite and cat-eye varieties.

Chrysocolla is a hydrated copper silicate gemstone material, frequently occurring as massive blue-green aggregates.

Chrysoprase is a nickel-coloured green chalcedony variety of quartz.

Clinozoisite is a monoclinic epidote-group calcium aluminum sorosilicate with limited gem use.

Demantoid is the green gem variety of andradite garnet, prized for high dispersion and brilliance.

Dioptase is a bright green copper cyclosilicate mineral prized mainly as a collector crystal and occasional gem.

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.

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

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.

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.

Durability is part of the appeal of Green Topaz, not merely a technical footnote. Jewellers who need dependable wear resistance often come to it for different reasons, but identification still comes back to green body colour, 8 Mohs hardness, and vitreous lustre.

Green Tourmaline is often discussed with one eye on colour and the other on where the material comes from. That combination of green body colour, 7 Mohs hardness, and vitreous lustre is what usually makes it recognisable in practice.

Grossular is a calcium-aluminum garnet species including tsavorite and hessonite varieties.

Locality plays an important role in how Heliodor is understood in the gem trade. Collectors and lapidaries comparing similar stones often come to it for different reasons, but identification still comes back to blue body colour, 7.5 Mohs hardness, and vitreous lustre. The secondary green note often matters more than people expect when separating it from lookalikes.

Hiddenite is the green gem variety of spodumene, valued for bright yellow-green tones.

Hydro quartz refers to hydrothermally grown synthetic quartz used as a gem and decorative material.

Part of the identity of Indicolite comes from the producing regions associated with it. That combination of green body colour, 7 Mohs hardness, and vitreous lustre is what usually makes it recognisable in practice. The secondary pink note often matters more than people expect when separating it from lookalikes.

Jade is valued as much for texture and toughness as for colour. A fine piece has a compact, almost glowing appearance that feels different from ordinary green ornamental stone, which is one reason jade has held cultural importance for so many centuries.

Part of the identity of Jadeite comes from the producing regions associated with it. That combination of green body colour, 6.5 Mohs hardness, and silky lustre is what usually makes it recognisable in practice. The secondary white note often matters more than people expect when separating it from lookalikes.

Jasper is an opaque microcrystalline quartz aggregate with diverse colors and patterns.

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

Labradorite is a plagioclase feldspar known for labradorescence caused by light interference in lamellar structures.

The character of Larimar comes through in its aqua, blue, cyan / blue-green, green, and brown colour and the way that colour interacts with a silicate structure. That combination of aqua body colour, 6.5 Mohs hardness, and vitreous lustre is what usually makes it recognisable in practice. The secondary blue note often matters more than people expect when separating it from lookalikes.

Liddicoatite is a calcium-rich tourmaline species known for striking multicolor zoning patterns.

Malachite is an opaque copper carbonate mineral recognized by vivid green banding.

Locality plays an important role in how Maxixe is understood in the gem trade. Collectors and lapidaries comparing similar stones often come to it for different reasons, but identification still comes back to blue body colour, 7.5 Mohs hardness, and vitreous lustre. The secondary green note often matters more than people expect when separating it from lookalikes.

Moldavite is a natural impact glass (tektite) formed during the Ries impact event and found in Central Europe.

Moonstone is recognised by light that seems to float just beneath the surface. That soft billowing glow gives even simple cabochons an internal life that is very different from the brilliance expected in faceted transparent gems.

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

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

Ocean agate is a trade-name patterned agate category rather than a separate mineral species.

Ocean jasper is a trade name for orbicular patterned chalcedony/jasper material, chiefly from Madagascar.

Ocean jasperite is a trade descriptor for patterned ornamental material, not a strict mineral species.

Ocean reef is treated as a broad trade label for decorative patterned material.

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

Peridot is easiest to understand by starting with green and brown colour. That combination of green body colour, 6.5 Mohs hardness, and vitreous lustre is what usually makes it recognisable in practice. The secondary brown note often matters more than people expect when separating it from lookalikes.

Prehnite is a calcium aluminum silicate used as a translucent green gemstone and collector mineral.

Part of the identity of Rubellite comes from the producing regions associated with it. Collectors and lapidaries comparing similar stones often come to it for different reasons, but identification still comes back to green body colour, 7 Mohs hardness, and vitreous lustre. The secondary pink note often matters more than people expect when separating it from lookalikes.

Serpentine is a group of hydrated magnesium silicates used widely as ornamental stone.

Smithsonite is a zinc carbonate mineral used as a collector and ornamental gemstone material.

Tanzanite is one of the few gemstones whose identity is closely tied to a single modern locality. Its blue-to-violet colour and pleochroic character give it an instantly contemporary profile among transparent jewellery stones.

Titanite (sphene) is a high-fire gemstone species valued by collectors and connoisseurs.

Locality plays an important role in how Tourmaline is understood in the gem trade. That combination of green body colour, 7 Mohs hardness, and vitreous lustre is what usually makes it recognisable in practice. The secondary pink note often matters more than people expect when separating it from lookalikes.

Tsavorite is the vivid green variety of grossular garnet colored by vanadium/chromium.

Turquoise has been used for ornament and status objects for millennia, yet its appeal remains straightforward: an unmistakable blue-to-green body colour, often paired with matrix patterns that make each piece visually individual.

Variscite is a hydrated aluminum phosphate used in cabochons and carvings for green color.

Vesuvianite, also known as idocrase, is a calcium-rich silicate gemstone species.

Zoisite is an orthorhombic sorosilicate species encompassing several gem varieties.