Alterite type locality, Cliff Dwellers Lodge, Vermillion Cliffs Mining District, Coconino County, Arizona, USA
Yellow green alterite crystals FOV 2 mm Obtained with Alfredo Petrov Collection and Photo : Vincent Bourgoin
© Vincent Bourgoin 2018
Green crystals of alterite. Rolf Luetcke specimen and photo.
Colorless to white crystals of alunogen with colorless gypsum. Rolf Luetcke specimen and photo.
Platy, light green crystals of alterite on matrix with yellow-orange natrojarosite and gypsum on carbonized petrified wood. Gift from Malcolm Alter, thank you. Rolf Luetcke specimen and photo.
Black carbonized petrified wood showing original cell structure with minor yellow-brown natrojarosite and colorless gypsum. Collected by Malcolm Alter. Rolf Luetcke specimen and photo.
Orange-brown crystals of natrojarosite on black, carbonized petrified wood with colorless gypsum at the left. Collected by Malcolm Alter, Rolf Luetcke specimen and photo.
Colorless sheet of gypsum on black, carbonized petrified wood with yellow-orange natrojarosite. Collected by Malcolm Alter. Rolf Luetcke specimen and photo.
Black carbonized petrified wood with bands of gypsum, some stained and minor yellow-brown natrojarosite. Collected by Malcolm Alter. Rolf Luetcke specimen and photo.
Orange-brown crystals of natrojarosite on black, carbonized petrified wood with green alterite at the left. Collected by Malcolm Alter, Rolf Luetcke specimen and photo.