TL;DR: Bailly et al. as mentioned in this paper discovered a new argyrodite occurrence in the Rosia Montana ore deposit located in the South Apuseni Mountains, Romania, which is associated with common base metal sulfides and sulfosalts (galena, sphalerite, chalcopyrite, tetrahedrite ± alabandite, pyrite and marcasite).
TL;DR: The discovery of a new mineral containing germanium from a new locality in South America is described in this paper, where the author is able to announce the discovery and discovery of this rare and interesting element.
Abstract: IT is with great pleasure that the author is able to announce the discover,}' of a new mineral containing germanium and to record the OCCUl'rence of this rare and interesting element from a new locality. The credit of this is due in great measure to the keen mineralogical interest of Mr. Frederick A. Canfield of Dover, N. J., to whom, while on a business trip in Bolivia, South America, some specimens of this mineral were given as samples of a rich and unknown silver ore, by friends connected with the mining industry. These were brought to the writer for identification and he takes great pleasure here in acknowledging his indebtedness to Mr. Canfield and in expressing his