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

Morrisonite Jasper

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

mineral
Chrysocolla

Chrysocolla

A vivid blue-green hydrated copper silicate, soft on its own but prized as a gem when hardened by intergrown quartz or chalcedony.

mineral
Poppy Jasper

Poppy Jasper

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

mineral
Polychrome Jasper

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
Silver Leaf Jasper

Silver Leaf Jasper

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

mineral
Imperial Jasper

Imperial Jasper

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

mineral
Elephant Skin Jasper

Elephant Skin Jasper

A gray-brown jasper whose mottled, wrinkled patterning resembles elephant hide, also sold as Miriam or calligraphy stone.

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
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
Montana Moss Agate

Montana Moss Agate

A translucent chalcedony from Montana filled with black and red dendritic inclusions that look like moss, ferns, or scenic landscapes.

gemstone