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.

Apricot Tourmaline

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

gemstone
Red Tourmaline

Red Tourmaline

Vivid red to raspberry tourmaline, the most intense colors are marketed as rubellite, colored by manganese in the elbaite structure.

gemstone
Raspberry Tourmaline

Raspberry Tourmaline

A vivid raspberry-pink to pinkish-red elbaite tourmaline, a bright, cheerful member of the rubellite family colored by manganese.

gemstone

Lotus Garnet

A delicate pinkish-purple to peach garnet from Tanzania, a pyrope-spessartine blend named for the soft colors of a lotus flower.

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
Vorobyevite

Vorobyevite

An old name for cesium-rich, often pink beryl (related to morganite), named after Russian mineralogist Victor Vorobyev.

gemstone
Lithium Quartz

Lithium Quartz

A quartz crystal containing pink to lilac lithium-bearing mineral inclusions that give a soft cloudy lavender or rose coloration.

crystal
Danburite

Danburite

A glassy calcium borosilicate forming wedge-tipped prismatic crystals, usually colorless to pale yellow or pink, sometimes faceted as a gem.

crystal

Strawberry Obsidian

A pink-red glass sold as obsidian, sometimes with metallic flecks; the strawberry color is manufactured rather than a natural volcanic glass tone.

igneous
Morganite Crystal

Morganite Crystal

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

crystal
Pezzottaite

Pezzottaite

A rare cesium-rich, beryl-related gem mineral with a raspberry-pink color, first found in Madagascar in 2002.

gemstone

Peach Moonstone

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

gemstone
Strawberry Quartz

Strawberry Quartz

A pink-to-red quartz colored by iron oxide inclusions that create a speckled, strawberry-like appearance within clear crystal.

crystal
Snowflake Obsidian

Snowflake Obsidian

A black volcanic glass speckled with gray-white cristobalite snowflakes, formed as obsidian begins to crystallize.

igneous
Bismuthinite

Bismuthinite

A soft lead-gray bismuth sulfide that is an important ore of bismuth, forming metallic needle-like and bladed crystals.

mineral
Deschutes Jasper

Deschutes Jasper

A prized Oregon picture jasper from the Deschutes region known for soft scenic landscapes in cream, tan, and blue-gray.

mineral
Labradorite

Labradorite

A plagioclase feldspar famous for labradorescence, a dramatic flash of iridescent blue, green, and gold across a dark gray stone.

mineral

Cloud Agate

A chalcedony agate with soft, billowing cloud-like masses of gray and white suspended in a translucent body.

gemstone
White Agate

White Agate

A white to grayish banded chalcedony, the natural base color of much agate and the substrate for many dyed stones.

gemstone
Black Moonstone

Black Moonstone

A dark gray-to-black feldspar variety of moonstone that shows blue and white adularescent flash against a smoky body.

gemstone
Howlite

Howlite

A white, porous borate mineral webbed with gray-black veins, widely dyed to imitate turquoise and other stones.

mineral
Molybdenite

Molybdenite

Molybdenite is the primary ore of molybdenum, a soft, greasy, silver-gray sulfide that closely resembles graphite.

mineral

Willow Creek Jasper

A prized Idaho jasper known for porcelain-smooth pastel pinks, creams, and greens in soft swirling, orbicular patterns.

mineral

Elephant Skin Jasper

A gray-brown jasper whose mottled, wrinkled patterning resembles elephant hide, also sold as Miriam or calligraphy stone.

mineral