Montroydite / Montroydit
HgO
Black acilular montroydite crystals. St. Eulalia, Chihuahua, Mexico. Picture size 2,5 mm. Collection and foto Thomas Witzke.
Schwarze nadelige Montroydit-Kristalle. St. Eulalia, Chihuahua, Mexico. Bildbreite 2,5 mm. Sammlung und Foto Thomas Witzke.
© Thomas Witzke