Boleite and Pseudoboleite with Gypsum

Very well formed cubic crystals of Boleite with several crystals showing Pseudoboleite epitaxial developments out from the Boleite faces. Lustrous deep blue crystals of Boleite/Pseudoboleite measure from micro to nearly 5mm clustered over a blue-green thin crust of Brochantite/Paratacamite on colourless Gypsum, with a grey-white Anglesite replacement of Galena. A rich Boleite/Pseudoboleite specimen from the Amelia Mine Baja California, Mexico. The specimen comes with an old Johann Isidor Weinberger pre-1915 label over print by a red Julius Bohm stamp.