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.

Lindi Garnet

Lindi Garnet

Lindi Garnet is a rare vanadium-rich color-change garnet from Tanzania's Lindi region, shifting from blue-green daylight tones to purple-red.

gemstone
Garnet Schist

Garnet Schist

A shiny, foliated schist studded with red garnet crystals that grew during medium-grade regional metamorphism.

metamorphic

Umbalite Garnet

A delicate pink to lavender garnet from Tanzania's Umba Valley, a pyrope-spessartine blend often marketed as a soft, light-toned rhodolite.

gemstone
Idaho Star Garnet

Idaho Star Garnet

Idaho's official state gem: a dark almandine garnet showing a four- or rare six-rayed star from oriented rutile inclusions.

gemstone

Bekily Garnet

A rare color-change garnet from Bekily, Madagascar, shifting from bluish-green in daylight to purplish-red under warm light, including the famed blue garnets.

gemstone
Topazolite Garnet

Topazolite Garnet

A rare yellow to golden variety of andradite garnet, the topaz-colored cousin of green demantoid, prized for high dispersion and brilliance.

gemstone
White Garnet

White Garnet

The rare colorless-to-white grossular garnet, also called leuco garnet, prized by collectors for its purity and unusual lack of color.

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
Yellow Garnet

Yellow Garnet

A trade term for yellow garnets, including golden grossular, yellow andradite (topazolite), and yellow-green Mali garnet.

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
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
Hydrogrossular Garnet

Hydrogrossular Garnet

A water-bearing massive grossular garnet, usually green or pink, widely used as a tough jade-like carving stone.

gemstone
Imperial Garnet

Imperial Garnet

A trade name for high-brilliance golden grossular-andradite (grandite) garnet, most associated with the Mali deposits of West Africa.

gemstone
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

Leuco Garnet

The rare colorless variety of grossular garnet, a near-flawless transparent gem free of the iron and chromium that color most garnets.

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
Ant Hill Garnet

Ant Hill Garnet

Small, bright chrome-pyrope garnets famously brought to the surface by harvester ants on the Navajo lands of Arizona.

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

Grandite Garnet

Grandite is an intermediate garnet between grossular and andradite, common in skarns and prized for vivid green to golden crystals.

mineral