4 specimens
Siderite, Chalcopyrite
Siderite with Chalcopyrite – Sculptural Blades with Iridescent Metallic Constellations
China
Siderite
Siderite - Gem Scalenohedral / Dogtooth Crystals - Tsumeb
Tsumeb Mine, Namibia
Vivianite, Siderite
Vivianite - Exceptional Clarity and Color
Huanuni Mine, Oruro, Bolivia
Quartz, Calcite, Siderite
Quartz on Calcite/Siderite Matrix - Pristine Himalayan Specimen
Shigar Valley, Shigar District, Gilgit-Baltistan, ...