This is a very nice specimen consisting of several fluorescent yellowish-green crystals of the zinc arsenate hydroxide mineral adamite scattered on a reddish-brown matrix from the famous Ojuela Mine, Mapimi, Durango, Mexico.
The specimen is 4.8 by 3.2 cm in size weighing 15.3 g.
Fluorescence photographed under 388mn UV light.
Shipped with USPS First Class
