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.

Yellow Jasper

Yellow Jasper

An opaque yellow-to-golden variety of jasper, an iron-stained microcrystalline quartz prized for warm color and durable polish.

gemstone
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

Cobra Jasper

A banded jasper with cream, tan, and brown layers resembling snakeskin, often sourced from Madagascar.

mineral

Butterstone Jasper

A soft-toned cream-to-butterscotch jasper colored by iron oxides, prized by lapidaries for its smooth, even, opaque finish.

gemstone

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
Flower Jasper

Flower Jasper

A jasper whose radiating mineral clusters form flower-like rosettes scattered across an earthy background.

mineral

Picasso Jasper

A marbled, abstractly patterned stone resembling modern art, technically a metamorphosed limestone rather than a true silica jasper.

metamorphic

Maligano Jasper

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

mineral

Feather Jasper

A jasper marked with soft feather- or plume-like mineral inclusions that drift through a pale silica body.

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

Rainforest Jasper

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

igneous
Bloodstone Jasper

Bloodstone Jasper

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

mineral
Crocodile Jasper

Crocodile Jasper

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

mineral
Kambaba Jasper

Kambaba Jasper

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

sedimentary

Carrasite Jasper

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

mineral

Kiwi Jasper

A speckled green-and-black stone resembling kiwi fruit, technically a quartz-amazonite aggregate rather than true jasper.

mineral

Exotica Jasper

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

gemstone

Map Jasper

A patterned jasper whose outlined cells and contrasting borders resemble the boundaries and regions of a printed map.

mineral
Mustard Jasper

Mustard Jasper

A warm mustard-to-ochre yellow jasper colored by iron, valued by lapidaries for its rich, earthy golden tone.

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

Turritella Jasper

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

sedimentary
Bumblebee Jasper

Bumblebee Jasper

A vivid yellow-and-black banded stone from Indonesian volcanic vents, colored by sulfur, arsenic minerals and iron oxides, not true jasper.

sedimentary

Snakeskin Jasper

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

mineral

Dendritic Jasper

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

mineral