#SPYR 52:  11 x 5 x 4 cm (4.3 x 2 x 1.6 inches) - $20

Single 2 cm (0.8 inch) pyrite cube perched on the top of a marl matrix base.  A couple of minor rubs on a few crystal edges as the right photo closeup shows but these are pretty minor.  Specimen sits for display with no assistance necessary.