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.

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
Goshenite

Goshenite

The colorless variety of beryl, named after Goshen, Massachusetts, prized for its purity, clarity, and durability.

gemstone
Orange Garnet

Orange Garnet

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

gemstone
Heliodor

Heliodor

The golden-yellow gem variety of beryl, colored by iron, prized for its bright sunshine hue and excellent durability.

gemstone
Aquamarine Crystal

Aquamarine Crystal

The blue iron-bearing variety of beryl, forming clear hexagonal crystals prized both as specimens and as a March birthstone gem.

crystal
Larimar

Larimar

A rare sky-blue variety of pectolite found only in the Dominican Republic, prized for its sea-like color and white volcanic patterning.

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
Websterite

Websterite

A variety of pyroxenite composed of both orthopyroxene and clinopyroxene with little olivine, found in layered intrusions and the mantle.

igneous

Multicolor Tourmaline

Tourmaline crystals displaying two or more distinct colors at once, including the famous pink-and-green watermelon variety.

gemstone
Iceland Spar

Iceland Spar

A transparent, optical-grade variety of calcite famous for strong double refraction, splitting images and light into two rays.

mineral
Rose Quartz

Rose Quartz

The soft pink, usually cloudy variety of quartz colored by trace titanium or microscopic inclusions, popular for carvings and beads.

crystal
Chrysoberyl

Chrysoberyl

An exceptionally hard beryllium aluminum oxide prized for golden hues, sharp cat's-eye effect, and the rare color-change alexandrite variety.

gemstone