This little bear shows off the beauty of the rocks that were discarded as "waste" in the process of mining copper - a "porphyry" that was slightly mineralized with copper minerals, shown in the pale blue-green of the matrix. The stone is from the Chino Mine, Grant County, New Mexico.
About 2.2" x 1.5" x 0.5" (56mm x 39mm x 12mm)