underthescopemineral: Volborthite Cu3V2O7(OH)2·2H2O Locality:Milpillas Mine, Cuitaca, Mun. de Santa Cruz, Sonora, Mexico Field of View: 3 mm Green Volborthite plates. Collection and photo Stephan Wolfsried Volborthite is a mineral containing copper
tags: So many OTPs,
from: https://eikuuhyo.tumblr.com/post/160940941776