Pyrite Cubes in Biotite
Pyrite cube crystals in biotite mica matrix mineral specimens from southern Norway, the stark contrast in colours of the brassy metallic pyrite cubes and black vitreous biotite mica which exhibit both crystal forms excellently. Specimens were collected by staff and are available in various sizes and come supplied in a card tray with a data label.
Pyrite cubic crystals in massive biotite mica, the pyrite crystals are well formed with the cubic form being clearly visible, as expected, the they also exhibit the yellow brassy colouration and metallic lustre expected from this mineral. The crystals are within a massive biotite mica matrix which is pure black with a vitreous lustre. This vivid contract in colours excellently highlights the brassy coloured pyrite crystals and makes for an excellent specimen to add to any mineral collection. The samples were collected by staff some years ago and come form southern Norway and is available in various sizes and come supplied in a card tray with an information label.