Iceberg claim, Trampas, Picuris District, Taos County, New Mexico, USA
Glass clear, cleaved piece of Iceland Spar, 2cm by 2cm. Self collected in the early 1970's. Rolf Luetcke specimen and photo.
Cleaved Iceland Spar variety of Calcite, 4cm by 6cm. Self collected in the mid 1970's. Rolf Luetcke specimen and photo.