Tabular crystals of fluorapophyllite with striking internal zoning, with inclusions of hematite, chalcopyrite and, I believe, clinochlore. The fluorapophyllites are associated with calcite crystals (which themselves seem to have inclusions of both chalcopyrite and clinochlore) – the calcite crystals have lower lustre. I would support this specimen to stand for display as in the first photograph. In good condition, some incomplete crystals and imperfections, but overall very nice.
From the Steve Szilard collection, this piece is from the Gaspé Copper Mine, which ceased operations in 2002. An interesting Canadian apophyllite, and although many such specimens from this locality are grey, this one has a little more interest.