“FOV=7 mm. ”

“FOV=7 mm. Stereo version of the parent photo. ”

“FOV=7 mm. ”

“FOV=7 mm. Stereo version of the parent photo. ”

“FOV=7 mm. ”

“FOV=7 mm. ”

“FOV=7 mm. Stereo version of the parent photo. ”

“FOV=7 mm. Stereo version of the parent photo. ”

“The thin covellite skin does not obscure the twinning in the underlying chalcopyrite cluster. Pyrite on this specimen is exceptionally lustrous, with abundant [110] twinning. ”

“Thin covellite skin on chalcopyrite. Pyrite on this specimen is exceptionally lustrous, with abundant [110] twinning. Green mineral is chlorite(?). ”

“Thin covellite skin on chalcopyrite. Pyrite on this specimen is exceptionally lustrous, with abundant [110] twinning. Green mineral is chlorite(?). ”

“Thin covellite skin on chalcopyrite. Pyrite on this specimen is exceptionally lustrous, with abundant [110] twinning. Green mineral is chlorite(?). ”

“A very well-arranged specimen that is unfortunately somewhat damaged at the top: several of the calcite plates have been snapped off. ”

“This cabinet specimen contains many aesthetic groups such as this, with covellite skins over chalcopyrite and quartz, pyrite, and chlorite. At the bottom are two white calcite plates. ”

“Covellite skin over chalcopyrite, with twin lamellae still visible. ”

“Pyrite cluster on covellite, which is coating chalcopyrite. ”