Rhodochrosite.  American Tunnel, San Juan County, Colorado.  Ex. Nancy Collins collection.  This classic shows a 1.5 cm, on edge, rhomb of pink rhodochrosite. placed high on a quartz matrix.  The piece measures 4.6 x 3.1 x 2 cm and is from an unknown older collection.  No damage and displays great sitting on edge as seen in the first image.  $550 n sale for $440