Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load.
These mineral photos are copyrighted by their owners and may not be used without permission.
Comments: Yellow tyuyamunite crystals 1 mm in size.
Location: Marie Mine, Carbon Co., Montana. USA.
Scale: picture size 2 cm..
© John Veevaert
Tyuyamunite: Ca(UO2)2V2O8·5-8(H2O) Grantsite: Na4CaxV++++2xV+++++12-2xO32·8(H2O)
Comments: Dark olive green waxy coatings of grantsite with greenish-yellow tyuyamunite and sandstone.
Location: F-33 Mine, near Grants, Valencia County, New Mexico, USA.
Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
Comments: Bright yellow rosette crystals of tyuyamunite on matrix.
Location: Marie mine, Carbon County, Montana, USA.
Scale: Rosette size 0.5 mm.
© Tom Loomis / Dakota Matrix