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.

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
Red Jasper

Red Jasper

An opaque, iron-rich variety of microcrystalline quartz known for its deep brick-red color and ancient history as a stone of strength and grounding.

gemstone

Morrisonite Jasper

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

mineral
Poppy Jasper

Poppy Jasper

An orbicular jasper with red and orange flower-like spots resembling poppies, famously from Morgan Hill, California.

mineral

Cobra Jasper

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

mineral
Bruneau Jasper

Bruneau Jasper

A prized Idaho picture jasper from Bruneau Canyon known for brown and cream orbicular egg-rock patterns and scenic landscapes.

mineral

Spiderweb Jasper

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

mineral
Green Jasper

Green Jasper

An opaque green variety of chalcedony quartz colored by iron and chlorite-group inclusions, prized as a durable carving and cabochon stone.

mineral
Scenic Jasper

Scenic Jasper

A patterned jasper whose bands and inclusions create miniature landscapes of deserts, mountains, and skies within the stone.

mineral

Carrasite Jasper

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

mineral

Map Jasper

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

mineral

Dendritic Jasper

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

mineral

Noreena Jasper

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

mineral

Snakeskin Jasper

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

mineral

Kalahari Jasper

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

mineral
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

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

Polychrome Jasper

A warm earth-toned jasper from Madagascar in flowing reds, oranges and golds, also called desert jasper, discovered in the early 2000s.

gemstone
Bloodstone Jasper

Bloodstone Jasper

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

mineral
Mookaite Jasper

Mookaite Jasper

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

sedimentary
Zebra Jasper

Zebra Jasper

A black-and-white striped chalcedony-quartz rock whose bold zebra-like banding makes it a popular ornamental and lapidary stone.

sedimentary

Bird's Eye Jasper

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

mineral

Royal Imperial Jasper

A premium Mexican imperial jasper showing soft pastel swirls and orbicular eyes in lavender, mint, cream, and rust.

mineral

Rogue River Jasper

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

mineral