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.

Morrisonite Jasper

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

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

Cobra Jasper

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

mineral

Imperial Jasper

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

mineral
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
Black Jasper

Black Jasper

A dense, opaque black variety of microcrystalline quartz historically used as a touchstone for testing precious metals.

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
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
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

Kalahari Jasper

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

mineral

Reptile Jasper

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

mineral

Sesame Jasper

A finely speckled pale jasper trade stone named for its sesame-seed-like flecks, closely related to Kiwi Jasper.

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

Rainforest Jasper

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

igneous

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
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
Mookaite Jasper

Mookaite Jasper

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

sedimentary
Crocodile Jasper

Crocodile Jasper

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

mineral

Noreena Jasper

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

mineral

Ribbon Jasper

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

mineral