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.

Noreena Jasper

A rare Australian jasper from the Pilbara with bold red, yellow, and black abstract patterns, prized by collectors.

mineral
Deschutes Jasper

Deschutes Jasper

A prized Oregon picture jasper from the Deschutes region known for soft scenic landscapes in cream, tan, and blue-gray.

mineral

Spiderweb Jasper

A jasper crossed by fine dark veins forming a spiderweb-like network, often a brecciated stone cemented by darker matrix.

mineral
Fire Agate

Fire Agate

A rare brown chalcedony containing thin iron-oxide layers that produce flashing, fiery rainbow iridescence like trapped flames.

gemstone

Silver Leaf Jasper

A gray-toned jasper with swirling cream, black, and brown leaf-like patterns, sometimes with druzy or agate pockets.

mineral

Kalahari Jasper

An African picture jasper from the Kalahari region with warm desert-toned banding evoking dunes and savanna.

mineral

Blue Line Jasper

A pale jasper crossed by distinctive blue-gray veins or lines, valued by lapidaries for its calm color contrast.

gemstone
Mookaite Jasper

Mookaite Jasper

An Australian silicified radiolarite jasper in warm mustard, red, burgundy, and cream earth tones, found only in Western Australia.

sedimentary

Frog Skin Jasper

A mottled green jasper whose blotchy spotting resembles frog skin, valued by lapidaries for its earthy, camouflage-like patterns.

gemstone
Madagascar Jasper

Madagascar Jasper

A broad family of vividly patterned jaspers from Madagascar, including orbicular and scenic varieties prized for colorful, eye-catching designs.

gemstone

Dallasite Jasper

A green-and-white volcanic breccia from Vancouver Island, cemented by jasper and rich in epidote, popular as a regional lapidary stone.

gemstone
Dalmatian Jasper

Dalmatian Jasper

A cream-colored spotted stone resembling a Dalmatian dog, made of feldspar and quartz dotted with dark mineral grains.

igneous

Sonoran Sunset Jasper

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

mineral

Morrisonite Jasper

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

mineral

Stone Canyon Jasper

A warm-toned brecciated jasper from central California known for swirling browns, golds, and creams broken by darker seams.

gemstone

Rogue River Jasper

An Oregon picture jasper from the Rogue River area showing earthy scenic patterns in tan, brown, gold, and cream.

mineral

Snakeskin Jasper

An opaque patterned jasper named for its scaly, snakeskin-like surface markings of interlocking tan and brown cells.

mineral

Sea Sediment Jasper

A colorful trade-name material, often dyed and reconstituted, sold as jasper; vivid blues and greens are typically artificially enhanced.

mineral

Carrasite Jasper

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

mineral

Turritella Jasper

A fossiliferous jasper packed with spiral snail shells, technically a silicified gastropod limestone from Wyoming.

sedimentary

Rainforest Jasper

An Australian green rhyolite with eye-like orbs and earthy patterns marketed as jasper, evoking dense rainforest foliage.

igneous

Mocha Agate

A pale translucent chalcedony threaded with brown-black manganese and iron dendrites that mimic tiny ferns, mosses or landscapes.

gemstone
Landscape Opal

Landscape Opal

A common opal containing dendritic or mossy mineral inclusions that form miniature landscape-like scenes inside the stone.

gemstone

Lizard Skin Jasper

A patterned jasper whose scaly, net-like markings recall reptile skin, popular with lapidaries for its organic camouflage look.

gemstone