Siderite - Estacada Pyrite Locality, USA - 2.6 x 2.9 cm
Mineral: Siderite
Locality: Estacada Pyrite Locality, Clackamas River Localities, Clackamas County, Oregon, USA
Dimensions: 2.6 x 2.9 cm

Description: Spherical aggregates of siderite associated with colorless calcite in a gray basalt matrix.