Rock Identifier

Rock & Mineral Encyclopedia

Search and identify 1,000+ rocks, minerals, crystals, and gemstones — with properties, formation, colors, hardness, and how to tell them apart.

Sonoran Sunset Jasper

A vivid copper-bearing Mexican stone of red cuprite and green chrysocolla that evokes a desert sunset.

mineral

Carrasite Jasper

An orbicular Madagascar jasper related to ocean jasper, showing eyes and swirls in cream, green, and earthy tones.

mineral

Imperial Jasper

A prized Mexican jasper known for pastel green, lavender, and cream orbicular patterns that take an exceptional polish.

mineral
Blue Jasper

Blue Jasper

An opaque blue variety of chalcedony jasper, less common than red or green forms, colored by mineral inclusions.

mineral

Exotica Jasper

Also called Sci-Fi Jasper, a Mexican jasper-rhyolite with swirling abstract patterns in cream, tan, gray, pink, and green.

gemstone

Morrisonite Jasper

A rare, prized Oregon picture jasper known for blue-green orbs and scenic patterns, often called the king of jaspers.

mineral
Garnet

Garnet

A group of silicate gemstones best known for deep red but spanning nearly every color, including green tsavorite and orange spessartine.

gemstone
Chrysocolla

Chrysocolla

A vivid blue-green hydrated copper silicate, soft on its own but prized as a gem when hardened by intergrown quartz or chalcedony.

mineral
Lime Green Tourmaline

Lime Green Tourmaline

A bright, fresh lime to yellowish-green elbaite tourmaline (verdelite), colored by iron and trace manganese for a lively spring-green tone.

gemstone
Chrome Diopside

Chrome Diopside

A vivid green chromium-bearing diopside, an affordable emerald-like gem mined largely in Siberia.

gemstone
Peacock Opal

Peacock Opal

A precious opal showing dominant peacock-like blue, green and teal play-of-color, often on Ethiopian material.

gemstone
Hydrogrossular Garnet

Hydrogrossular Garnet

A water-bearing massive grossular garnet, usually green or pink, widely used as a tough jade-like carving stone.

gemstone
Tree Agate

Tree Agate

A white chalcedony filled with green or black dendritic, tree-like mineral inclusions that resemble ferns or moss frozen in stone.

gemstone
Teal Tourmaline

Teal Tourmaline

A sought-after elbaite tourmaline in teal hues that blend blue and green, prized for its ocean-like color.

gemstone
Prehnite

Prehnite

A translucent yellow-green silicate famous for its botryoidal 'grape' clusters, often hosting needle-like sprays of black epidote.

mineral
Chrome Tourmaline

Chrome Tourmaline

An intensely green tourmaline colored by chromium and vanadium, prized for its vivid emerald-like color from East Africa.

gemstone

Cat's Eye Opal

An opal cut to show chatoyancy, a sharp moving band of light like a cat's eye, usually in honey, green or yellow common opal.

gemstone

Reptile Jasper

A green-and-black mottled jasper whose scale-like patterning resembles reptile skin, often linked to Kambaba and crocodile jaspers.

mineral
Ocean Jasper

Ocean Jasper

A multicolored orbicular chalcedony from Madagascar famous for its circular eye-like orbs in greens, pinks, whites, and yellows.

sedimentary