Changbaiite / Changbaiit
PbNb2O6
Small brown grains of changbaiite. Round Top Rhyolite, Hudspeth County, Texas, USA. Picture size 1 mm. Collection and foto Thomas Witzke.
Kleine braune Changbaiit-Körner. Round Top Rhyolite, Hudspeth County, Texas, USA. Bildbreite 1 mm. Sammlung und Foto Thomas Witzke.
© Thomas Witzke / Stollentroll