Orthorhombic
Three unequal axes, all at right angles.
18 minerals in collection

Minerals of the Orthorhombic system

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Purple cyclic twin aragonite crystal from Spain with a clean reflection.
Aragonite
Atacamite
Atacamite
Yellow prismatic barite crystal cluster from the USA with mirror reflection.
Barite
Pale blue prismatic barite crystals on brown matrix from Morocco.
Barite (blue)
Metallic gray radiating berthierite specimen with a sharp bottom reflection.
Berthierite
Cavansite on Stilbite
Cavansite on Stilbite
Enargite and Pyrite
Enargite and Pyrite
Goethite
Goethite
Goethite (Iridescent Stalactite)
Goethite (Iridescent Stalactite)
Libethenite
Libethenite
Manganite
Manganite
Nickeline with Nickelskutterudite
Nickeline with Nickelskutterudite
Prehnite on Epidote
Prehnite on Epidote
Shattuckite
Shattuckite
Sulfur on Aragonite
Sulfur on Aragonite
Topaz on Quarz
Topaz on Quarz
Uvarovite Garnet (Large)
Uvarovite Garnet (Large)
Wavellite
Wavellite