Bertrandite from Portuguese pegmatites
The beryllium sorosilicate Bertrandite (Be4(Si2O7)(OH)2) is one of the most important beryllium minerals that could be found in granitic pegmatites....
The beryllium sorosilicate Bertrandite (Be4(Si2O7)(OH)2) is one of the most important beryllium minerals that could be found in granitic pegmatites....
Description of the chromium-rich mimetite from Nakhlak mine (Iran)
The description of the Olshanksyite from Shijiangshan (China)
The Milpillas mine (Municipio de Santa Cruz, Sonora, Mexico) benefits a porphyry copper deposit, characterized by a potent oxidation zone and...
Recently, we won the EAG Photo Contest with a photomicrography entitled Destructive Beauty: The picture shows crystals of neoformed Epsomite...
The Skarn-type deposit of Shijiangshan, Keqi County, Ulanhad League, Inner Mongolia A.R. (China) is a new location that recently yielded nice specimens of...
The beautifully crystallized silver minerals from San Jose mine (San José del Progreso, Oaxaca, México) constitutes a recent and...
Welcome to the Geospectra project. GSC (Geospectra Scientific Consulting) is an independent scientific consulting and research initiative. Our mission is...