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.

Chocolate Garnet

Chocolate Garnet

A rich brown variety of andradite (or grossular-andradite) garnet, marketed for its warm chocolate color and notable brilliance.

gemstone
Rosolite Garnet

Rosolite Garnet

A rose-pink variety of grossular garnet from Mexico, also known as landerite or xalostocite, prized for its soft pink color.

gemstone
Tsavorite Garnet

Tsavorite Garnet

A brilliant green grossular garnet colored by chromium and vanadium, rivaling emerald with superior brilliance and durability.

gemstone
Demantoid Garnet

Demantoid Garnet

A rare green andradite garnet famed for fire exceeding diamond and distinctive horsetail inclusions in Russian stones.

gemstone
Black Garnet

Black Garnet

An opaque black garnet — typically titanium-bearing melanite andradite — historically cut for mourning and Victorian jewelry.

gemstone
Orange Garnet

Orange Garnet

A trade term for orange garnets, mainly manganese-rich spessartine and the brownish hessonite variety of grossular.

gemstone
Melanite Garnet

Melanite Garnet

The titanium-rich black variety of andradite garnet, with a brilliant resinous luster prized for mourning and statement jewelry.

gemstone
Mandarin Garnet

Mandarin Garnet

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

gemstone
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

Eulysite

A rare, dense iron-rich metamorphic rock composed of fayalite, iron pyroxene, and almandine garnet.

metamorphic
Grossular Garnet

Grossular Garnet

The calcium-aluminum garnet species spanning green tsavorite, cinnamon hessonite, and colorless leuco garnet — one of the most varied garnets.

gemstone