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.

Transvaal Jade

Transvaal Jade

A massive green-to-pink hydrogrossular garnet from South Africa used as a jade simulant, not a true jade.

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
Jade

Jade

A tough, prized ornamental gem that is actually two distinct minerals, jadeite and nephrite, revered for millennia in many cultures.

gemstone
Rose Tourmaline

Rose Tourmaline

A soft to medium pink elbaite tourmaline in rose hues, colored by manganese and prized for romantic jewelry.

gemstone
Morganite

Morganite

The pink-to-peach variety of beryl colored by manganese, popular for romantic engagement jewelry.

gemstone
Jadeite

Jadeite

The rarer and more valuable of the two jade minerals, prized for its translucent emerald-green 'imperial' color and extreme toughness.

gemstone
Thulite

Thulite

A pink, manganese-rich variety of zoisite used as an ornamental gemstone, often mottled with white quartz and grey matrix.

gemstone
Rhodonite

Rhodonite

A rose-pink manganese silicate marbled with black veins, prized as a tough ornamental and occasionally faceted gemstone.

mineral
Cranberry Tourmaline

Cranberry Tourmaline

A deep cranberry-red to purplish-pink variety of lithium-rich elbaite tourmaline, prized as a rich, saturated rubellite gemstone.

gemstone

Green Jade

The classic green ornamental gem, either jadeite or nephrite, valued for millennia for its toughness and rich color, especially imperial green.

gemstone
Morganite Crystal

Morganite Crystal

The natural crystal form of morganite, the manganese-colored pink-to-peach variety of beryl popular in romantic jewelry.

crystal
Pink Agate

Pink Agate

A soft pink banded chalcedony, occurring naturally in delicate hues and also commonly produced by dyeing.

gemstone
Raspberry Garnet

Raspberry Garnet

A vivid pinkish-red rhodolite garnet named for its raspberry color, a bright pyrope-almandine blend popular in jewelry.

gemstone
Pastel Tourmaline

Pastel Tourmaline

A trade name for lightly saturated elbaite tourmalines in delicate pastel pinks, mints, peaches, and blues popular in modern jewelry.

gemstone

Pink Opal

A soft pink common opal, most famously from Peru, valued for its gentle pastel color rather than play-of-color.

gemstone
Pink Beryl

Pink Beryl

The pink to peach variety of beryl, better known as morganite, colored by manganese and prized for its gentle pastel hues.

gemstone
Peruvian Pink Opal

Peruvian Pink Opal

A soft pink common opal from the Peruvian Andes, prized for its opaque rosy color rather than play-of-color.

gemstone
Hot Pink Tourmaline

Hot Pink Tourmaline

An intensely saturated hot-pink to magenta elbaite tourmaline, among the most vivid and eye-catching of all pink rubellites.

gemstone

Jet

A lightweight black organic gemstone formed from fossilized wood under pressure, a type of lignite long used in mourning jewelry.

sedimentary
Andesine

Andesine

An intermediate plagioclase feldspar between albite and anorthite, marketed as a red to champagne gemstone, sometimes color-treated.

gemstone
Strawberry Garnet

Strawberry Garnet

A bright strawberry-red garnet, typically an almandine-pyrope blend prized for its juicy, lively red color in jewelry.

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
Rubellite

Rubellite

The red to raspberry-pink variety of tourmaline, prized for its vivid ruby-like color that holds under both daylight and artificial light.

gemstone
Verdite

Verdite

A rich green, fuchsite-rich metamorphic rock from southern Africa, prized as a carving and ornamental stone.

metamorphic