Quartz (variety smoky quartz, variety dauphine law twin), Goethite after Siderite - Lake George, USA - 84 mm x 32 mm x 26 mm
Mineral: Quartz (variety smoky quartz, variety dauphine law twin), Goethite after Siderite
Locality: Lake George, Park County, Colorado, USA
Dimensions: 84 mm x 32 mm x 26 mm