Fluorapatite on Quartz, Panasqueira Mines,
Panasqueira, Covilha, Castelo Branco District, Portugal
4.5 x 6 x 17.5 cm
Largely clear, undamaged, colorless quartz crystal 17.5 cm long, with transparent olive green, tabular fluorapatite crystals, both as inclusions and studding 3 sides of the prism. The largest and best apatite crystal is 8 x 12 mm.