Annabergite crystals, a selection of specimens of this crystallized mineral species. Annabergite is a mineral, and here you’ll find a number of collectibles with descriptions, one or more photos and sometimes a video. These annabergites are for sale.
It is a hydrous arsenate of nickel, with the chemical formula Ni₃(AsO₄)₂-8H₂O, of the monoclinic crystal system.