South America

ncat GLEE Phurcalite, Meta-torbernite, Quartz, Unknown, San Miguel prospect, Los Azules mine, Quebrada San Miguel, Copiapó, Copiapó Province, Atacama, Chile

Green platy crystals of metatorbernite, yellow phurcalite (fluorescent), colourless crystals (some as sceptres), and a colourless platy crystal (left side of photo and in closeup). The latter is a similar habit to torbernite, but there is no hint of green! Matrix is composed mostly of andradite garnet(?). Width of view...

ncat AA5 Alfredopetrovite, Ahlfeldite, Penroseite, Chalcomenite, Felsőbányaite, El Dragón mine, Porco Municipality, Antonio Quijarro Province, Potosí, Bolivia

Type Locality for alfredopetrovite. White balls with a greenish-grey tint of alfredopetrovite, minor pink Co-bearing ahlfeldite, minor light blue chalcomenite(?), minor silver penroseite, white patches of felsőbányaite, and thin colourless blades and colourless blocky crystals of unidentified species. Width of view 6mm. Stack of 45 images. Click on the image...

ncat JP3133 Eosphorite, Roscherite Group, Pyrite, Ilha claim, Taquaral, Itinga, Minas Gerais, Brazil

Orange prismatic eosphorite crystals. Green crystal aggregates possibly (probably?) zanazziite not roscherite as labelled. Small pyrite crystals also present. Unidentified colourless-white crystal clusters probably albite? Ex Jo Price Collection. Ex Jack Nelson Collection. Width of view 9mm and stack of 56 images (first photo), 4.5mm and 28 images (second photo),...

0428 Molybdofornacite, Wulfenite, Chrysocolla, Dulcinea de Llampos Mine, Cachiyuyo de Llampos district, Copiapo Province, Atacama Region, Chile

Three 5mm specimens, mounted side by side, with tiny yellow-green molybdofornacite crystals, orange-yellow wulfenite crystals and chrysocolla. The molybdofornacite from Dulcinea has been identified with semiquantitative and quantitative analysis by Dr. Jochen Schlater (curator of Hamburg Mineral Museum, Germany). Width of view 3.5mm. Stack of 44 images. Click on the...

ncat 221640993 IAB-MG iron Meteorite, Campo del Cielo meteorite, Gancedo, Doce de Octubre Department, Chaco Province, Argentina

“Alien-Shape” meteorite. Longest dimension 9mm. Estimated to have fallen 4,000 to 6,000 years ago. Composition is metallic nickel-iron and a few sulphides, carbides, and phosphides (normal for iron meteorites), and it also contains silicate inclusions. One of the world’s most abundant meteorites, over a hundred tons having been found scattered...

ncat RB Gold, Ecuador

Labelled simply “Plateau Mining Co., Ecuador”, this specimen came from a collection acquired by Richard Bell. Obviously, Plateau Mining Co. isn’t a locality, but a company, so the starting point is simply Ecuador. After a bit of searching, I came across a mining professional, Byron Granda, who at one time...