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.

Ugrandite Garnet

Ugrandite Garnet

Ugrandite is the calcium garnet series uniting uvarovite, grossular, and andradite, including tsavorite and the fiery demantoid.

mineral
Mahenge Garnet

Mahenge Garnet

Mahenge Garnet is a pyrope-spessartine gem from Tanzania's Mahenge region, prized for vivid pink, purple, and color-change tones.

gemstone
Garnet Schist

Garnet Schist

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

metamorphic
Malaia Garnet

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
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
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
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
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
Yellow Garnet

Yellow Garnet

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

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
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
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
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
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
Uvarovite Garnet

Uvarovite Garnet

The rare calcium-chromium garnet, famous for its sparkling emerald-green druzy crusts of tiny crystals, the only consistently green garnet.

mineral
Tsavorite Garnet

Tsavorite Garnet

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

gemstone
Spessartite Garnet

Spessartite Garnet

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

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
Orange Garnet

Orange Garnet

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

gemstone
Mint Garnet

Mint Garnet

A delicate pastel-green grossular garnet, lighter than tsavorite, most famously from the Merelani Hills of Tanzania.

gemstone
Mali Garnet

Mali Garnet

A rare grossular-andradite blend ('grandite') from Mali, prized for its high brilliance and golden-green to yellow 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
Leuco Garnet

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