Fluorite, Dolomite, Barite     Shang Bao Mine, Hunan Province, China.  These transparent cubes of fluorite are shades of light purple and blue.  Not all, but many, of the cubes nucleate on white balls or tufts of barite.  One edge of the piece is a small contact and there is a base contact too.  The remainder of the piece shows no damage.  It measures 7.7 x 5 x 3.2 and has crystals to 1. 4 cm on edge each.  $60