Descloizite

ncat JP1758 Descloizite, Vanadinite, Grey Horse Mine, Riverside, Riverside District, Dripping Spring Mts, Pinal Co., Arizona, USA

Dark brown descloizite on a bed of orange vanadinite. Lustrous yellow hexagonal vanadinite (or possibly mimetite?) in a small vugh on the side. Ex Jo Price Collection. Descloizite photo: Width of view 6mm. Stack of 90 images. Yellow vanadinite photo: Width of view 3mm. Stack of 35 images. Click on...

ncat JP1695 Vanadinite, Descloizite, Mimetite, Grey Horse Mine, Riverside, Riverside District, Dripping Spring Mts, Pinal Co., Arizona, USA

Orange colour-zoned hexagonal vanadinite with brown to greenish-black descloizite, and tiny white needles of mimetite. The vanadinite is interesting, with some hollow crystals, and others that look like they have been etched away or resorbed. The latter occurs almost exclusively on the descloizite. Ex Jo Price Collection. Width of view...

ncat TI Descloizite, Calcite, Grey Horse Mine, Riverside, Riverside Mining District, Dripping Spring Mountains, Pinal Co., Arizona, USA

Colourless calcite crystals that fluoresce pale pink under shortwave UV, with dark brown descloizite crystals. An interesting specimen. There appears to be multiple generations of calcite. The “Mercedes” faces are obviously a later addition, and there is zoning apparent in the fluorescence. White light photo: Width of view 6mm, stack...