This unique Pyrite Concretion from Dongchuan District, Yunnan Province, China features sparkling, sharp, modified metallic crystals arranged in con...

From Huaron District, Cerro de Pasco Province, Pasco Department, Peru Complex cluster of colorless quartz crystals inter grown with metallic yellow...

From Edong Mining District, Daye, Hubei, China Cluster of sharp scalenohedral calcite crystals partially covered with lustrous iridescent metallic ...

From Huanggang Mine, Kèshíkèténg Qí, Chifeng, Inner Mongolia, China Slender plate of lustrous yellow metallic chalcopyrite microcrystals on matrix....

This substantial specimen from Gachala, Cundinamarca, Colombia, features an iron cross twin of goethite pseudomorph after pyrite. The pyrite is com...

This substantial specimen from Gachala, Cundinamarca, Colombia, features an iron cross twin of goethite pseudomorph after pyrite. The pyrite is com...

This substantial specimen from Gachala, Cundinamarca, Colombia, features an iron cross twin of goethite pseudomorph after pyrite. The pyrite is com...

This substantial specimen from Gachala, Cundinamarca, Colombia, features an iron cross twin of goethite pseudomorph after pyrite. The pyrite is com...

This substantial specimen from Gachala, Cundinamarca, Colombia, features an iron cross twin of goethite pseudomorph after pyrite. The pyrite is com...

This substantial specimen from Gachala, Cundinamarca, Colombia, features an iron cross twin of goethite pseudomorph after pyrite. The pyrite is com...

This substantial specimen from Gachala, Cundinamarca, Colombia, features an iron cross twin of goethite pseudomorph after pyrite. The pyrite is com...

This remarkable Pyrite cluster comes from the Huanzala Mine in Huanuco Province, Peru. It showcases classic yellow-metallic pyrite crystals resting...

This remarkable Pyrite cluster comes from the Huanzala Mine in Huanuco Province, Peru. It showcases classic yellow-metallic pyrite crystals resting...

This remarkable Pyrite cluster comes from the Huanzala Mine in Huanuco Province, Peru. It showcases classic yellow-metallic pyrite crystals resting...

This remarkable Pyrite cluster comes from the Huanzala Mine in Huanuco Province, Peru. It showcases classic yellow-metallic pyrite crystals resting...

This remarkable Pyrite cluster comes from the Huanzala Mine in Huanuco Province, Peru. It showcases classic yellow-metallic pyrite crystals resting...

This remarkable Pyrite cluster comes from the Huanzala Mine in Huanuco Province, Peru. It showcases classic yellow-metallic pyrite crystals resting...

This remarkable Pyrite cluster comes from the Huanzala Mine in Huanuco Province, Peru. It showcases classic yellow-metallic pyrite crystals resting...

This remarkable Pyrite cluster comes from the Huanzala Mine in Huanuco Province, Peru. It showcases classic yellow-metallic pyrite crystals resting...

This remarkable Pyrite cluster comes from the Huanzala Mine in Huanuco Province, Peru. It showcases classic yellow-metallic pyrite crystals resting...

This remarkable Pyrite cluster comes from the Huanzala Mine in Huanuco Province, Peru. It showcases classic yellow-metallic pyrite crystals resting...

This remarkable Pyrite cluster comes from the Huanzala Mine in Huanuco Province, Peru. It showcases classic yellow-metallic pyrite crystals resting...

This remarkable Pyrite cluster comes from the Huanzala Mine in Huanuco Province, Peru. It showcases classic yellow-metallic pyrite crystals resting...

This remarkable Pyrite cluster comes from the Huanzala Mine in Huanuco Province, Peru. It showcases classic yellow-metallic pyrite crystals resting...