Volborthite - Milpillas Mine, Mexico - 5.5 x 3 x 2.5 cm / main crystal size: 2.0 cm

Mineral: Volborthite
Locality: Milpillas Mine, Cuitaca, Municipio Santa Cruz, Sonora, Mexico
Dimensions: 5.5 x 3 x 2.5 cm / main crystal size: 2.0 cm

Description: Mass: 20 g MIM number:1729 Rosettes of shiny dark green lamellar crystals dotted with bright green malachite balls, rising perpendicularly from a thin white matrix. Photographer : AINU / Augustin de Valence Publication: "Mineralogical Record, Sep-Oct 2021"