Galena and Pyrite on Dolomite   Buick Mine, Bixby, Iron County, Missouri.  Ex. John Davis collection.  This grouping shows octahedrons with minor cubic modifications.  There is a dusting of traditional pyrite crystals and bladed crystals with dolomite as a matrix.  The piece is free of any damage and measures 4.2 x 3 x 2.1 cm.  It displays better in views not shown and is a very fine example of this less common crystallography.   $125