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.

Maligano Jasper

A rare Indonesian jasper from Sulawesi known for ghostly tube structures, brecciated patterns, and contrasting grey, red, and purple zones.

mineral

Ribbon Jasper

A banded jasper showing parallel ribbon-like stripes of contrasting color formed by layered silica and mineral deposition.

mineral

Gary Green Jasper

An Oregon jasper, also called larsonite, of silicified fossil wood showing olive-green fields laced with black dendritic patterns.

mineral

Woodbine Jasper

An earthy-toned jasper with vine-like or scenic patterning, valued by lapidaries for warm browns, reds, and creams that polish to a smooth finish.

gemstone

Bird's Eye Jasper

A microcrystalline quartz jasper marked by small concentric ring or eye patterns that resemble the eyes of birds.

mineral
Kambaba Jasper

Kambaba Jasper

A dark green-and-black stromatolite jasper patterned with swirling orbs, formed from fossilized ancient microbial colonies.

sedimentary

Exotica Jasper

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

gemstone

Noreena Jasper

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

mineral

Paintbrush Jasper

A scenic jasper whose flowing streaks of warm color resemble strokes left by a loaded paintbrush.

mineral
Cave Creek Jasper

Cave Creek Jasper

An opaque jasper from the Cave Creek area of Arizona, prized for earthy mottled and banded patterns in warm desert tones.

mineral

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

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

Dendritic Jasper

A pale jasper threaded with black, fern-like mineral dendrites that mimic plants, trees, and frost despite being inorganic.

mineral
Crocodile Jasper

Crocodile Jasper

A deep green-and-black stromatolitic jasper, essentially Kambaba Jasper, with circular eye patterns resembling crocodile skin.

mineral
Bloodstone Jasper

Bloodstone Jasper

A dark green jasper-chalcedony speckled with red iron-oxide spots, classically known as bloodstone or heliotrope.

mineral
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
Brecciated Jasper

Brecciated Jasper

A jasper made of angular fragments naturally cemented back together, typically showing red and brown pieces in a quartz matrix.

sedimentary
Cherry Creek Jasper

Cherry Creek Jasper

A landscape-patterned Chinese jasper prized for warm cherry-red, cream, and green bands resembling painted scenery.

mineral

Rainforest Jasper

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

igneous

Lizard Skin Jasper

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

gemstone

Peanut Wood Jasper

A fossilized, silicified wood from Australia with white peanut-shaped spots, formed where ancient driftwood was bored by clams and filled with pale sediment.

gemstone

Royal Sahara Jasper

A warm desert-toned picture jasper trade stone with sandy tan, gold, and brown swirls evoking Saharan dunes.

mineral