Minerals by Crystal System · Rock of Science

Orthorhombic

Three unequal axes, all at right angles.

29 minerals in collection

Minerals of the Orthorhombic system

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Yellowish green crystalline adamite specimen from Mexico with a sharp bottom reflection.

Close-up view of metallic gray striated andorite from Bolivia.

Purple cyclic twin aragonite crystal from Spain with a clean reflection.

Deep green crystalline botryoidal atacamite specimen from Australia with mirror reflection.

Yellow prismatic barite crystal cluster from the USA with mirror reflection.

Pale blue prismatic barite crystals on brown matrix from Morocco.

Amber barite crystals on white calcite matrix from the USA with reflection.

Barite on Calcite

Metallic gray radiating berthierite specimen with a sharp bottom reflection.

Blue cavansite rosettes on white stilbite matrix from India.

Cavansite on Stilbite

Honey yellow prismatic celestine crystal cluster from Poland with reflection.

Blue and green botryoidal cornetite mineral crust from Congo.

Dark lustrous descloizite crystal cluster displaying a vertical mirror reflection.

Metallic black enargite with brassy gold pyrite from the USA.

Enargite and Pyrite

Iridescent botryoidal goethite specimen from USA against black background.

Elongated iridescent botryoidal goethite specimen from Spain against black.

Goethite (Iridescent Stalactite)

Close macro view of glittering dark green libethenite micro crystals.

Black prismatic manganite crystal cluster from Canada with mirror reflection.

White acicular mesolite needles on green apophyllite with mirror reflection.

Mesolite on Apophyllite

Bronze nickeline aggregate with silvery nickelskutterudite from Germany.

Nickeline with Nickelskutterudite

Pentagonite

Plancheite

Translucent green prehnite spheres from Mali showing a mirror reflection.

Prehnite on Epidote

Blue botryoidal shattuckite specimen with fibrous margins on a dark background.

Strontianite

Bright yellow sulfur crystals on white aragonite matrix with reflection.

Sulfur on Aragonite

Thulite

Clear colorless topaz crystal on transparent quartz matrix with mirror reflection.

Topaz on Quartz

Green uvarovite garnet crystal coating on dark matrix from Russia.

Uvarovite Garnet (Large)

Green botryoidal wavellite specimen showing radial yellow green interior structures.