Brian Kosnar Mineral Classics

tourmaline (tricolor)

zircon

brookite

tourmaline (tricolor)

wurtzite

quartz (var: chalcedony) / (var:agate) / ("grape chalcedony / grape agate")

tourmaline (tricolor)

microcline (var: amazonite)

zircon

quartz (var: chalcedony) / (var:agate) / ("grape chalcedony / grape agate")

tourmaline ("sunset tourmaline")

triplite (extremely rare)

quartz (var: chalcedony) / (var:agate) / ("grape chalcedony / grape agate")

tourmaline (tricolor)

quartz (var: chalcedony) / (var:agate) / ("grape chalcedony / grape agate")

tourmaline (tricolor)

quartz (var: chalcedony) / (var:agate) / ("grape chalcedony / grape agate")

quartz (var: chalcedony) / (var:agate) / ("grape chalcedony / grape agate")

quartz (var: chalcedony) / (var:agate) / ("grape chalcedony / grape agate")

tourmaline (bicolor cat’s eye)