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.

Wulfenite

Wulfenite

A lead molybdate mineral famous for thin, brilliant orange to yellow tabular crystals, prized by collectors and an ore of molybdenum.

mineral

Flame Opal

A glowing orange-to-red opal whose warm body color resembles flame; some stones add flashes of play-of-color.

gemstone
Mexican Fire Opal

Mexican Fire Opal

A transparent to translucent opal prized for its glowing orange-to-red body color, mined chiefly in the volcanic highlands of Mexico.

gemstone

Peach Opal

A gentle peach-to-apricot opal, mostly common opal colored by trace iron, prized for its soft warm pastel body.

gemstone

Tangerine Obsidian

A vivid orange glass sold as obsidian; uniformly bright tangerine material is typically manufactured glass rather than natural volcanic obsidian.

igneous
Spessartite Garnet

Spessartite Garnet

A manganese aluminum garnet glowing in vivid orange to reddish-orange tones, with the finest called mandarin garnet.

gemstone

Sunset Opal

An opal with warm sunset hues of orange, amber, and red, prized for its glowing fiery body color reminiscent of dusk skies.

gemstone
Honey Garnet

Honey Garnet

A warm golden-brown garnet named for its honey color, typically a hessonite grossular variety with a distinctive treacly internal texture.

gemstone

Malaia Garnet

A pyrope-spessartine garnet in warm peach, salmon, and pinkish-orange tones, originally rejected by dealers and named 'malaia,' Swahili for outcast.

gemstone
Peach Garnet

Peach Garnet

A soft peach to pinkish-orange garnet, usually a malaia-type pyrope-spessartine blend prized for its warm, delicate color.

gemstone

Apricot Tourmaline

A warm apricot to peachy orange-pink elbaite tourmaline colored mainly by manganese, prized for its soft, glowing warmth.

gemstone

Tangerine Tourmaline

A vivid tangerine-orange elbaite tourmaline colored by manganese, offering a bright, citrusy hue that is uncommon in tourmaline.

gemstone
Hessonite Garnet

Hessonite Garnet

The cinnamon-to-honey colored variety of grossular garnet, prized in jewelry and revered as the gem 'gomed' in Vedic astrology.

gemstone

Chrome Spessartine

Chrome Spessartine is a rare chromium-bearing manganese garnet whose trace chromium intensifies its already vivid orange color.

gemstone

Sunset Tourmaline

A warm-hued tourmaline blending orange, pink and red tones reminiscent of a sunset sky.

gemstone
Sherry Tourmaline

Sherry Tourmaline

A warm sherry-brown to orange-brown tourmaline, usually magnesium-rich dravite, named for its rich fortified-wine color.

gemstone
Mandarin Garnet

Mandarin Garnet

The intensely glowing orange variety of spessartine garnet, prized for its pure 'Fanta-orange' fire and high brilliance.

gemstone
Pumpkin Obsidian

Pumpkin Obsidian

An orange-to-rust colored variety of natural volcanic glass whose warm tone comes from iron oxide staining within the obsidian.

igneous
Cinnamon Stone

Cinnamon Stone

The warm cinnamon-to-honey-brown variety of grossular garnet, also known as hessonite, with a characteristic swirly internal texture.

gemstone

Peach Moonstone

A warm peach-to-apricot variety of moonstone feldspar showing a soft billowy sheen (adularescence) caused by internal light scattering.

gemstone

Gary Green Jasper

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

mineral

Royal Imperial Jasper

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

mineral

Carrasite Jasper

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

mineral
Flower Jasper

Flower Jasper

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

mineral