Pyrite, Quartz
Pyrite with Quartz – Iridescent Rainbow Cubic Crystals on Clear Quartz Cluster
Huanzala Mine, Peru
Pyrite
Marcasite Crystal Stalactite – Rare Radiating Marcasite Formation with Golden Twin Termination
Linwood Mine, Buffalo, Scott County, Iowa, USA
Pyrite
Pyrite - Large, Lustrous, Dodecahedral Specimen
Huanzala Mine, Peru
Pyrite
Pyrite - Octahedral with Snow-on-the-Roof Sphalerite - Huanzala Mine
Huanzala Mine, Peru
Haüyne (Hauyne), Pyrite
Haüyne with Pyrite
Kuran wa Munjan District, Badakhshan, Afghanistan
Fluorite, Pyrite
Fluorite on Pyrite - Exceptional Emerald Green Gem Octahedral Crystal
Milpo mine, Atacocha mining dist., Cerro de Pasco,...
Sphalerite, Quartz, Pyrite
Sphalerite on Quartz - Gem Twin Crystal
Huanzala Mine, Huallanca Dist., Bolognesi Prov., Á...