| | Book | Hydrothermal Process” “Form of Germanium in Sphalerite” “Germanium Minerals in Chalcopyrite Ores” “Germaniferous... 30. Malevskiy, A. Y.: “Form of Germanium in Sphalerite” 31. 371 Dokl. Earth Sct. Sect., 167, 81-83...massive aggregates of chalcocite, galena, and sphalerite, with lesser amounts of enargite, germanite,...hypogene ore minerals at Tsumeb include galena, sphalerite, tennan- tite, enargite, bornite, digenite,...tennantite, enargite, digenite, bornite, chalcopyrite, sphalerite, and pyrite. The two germanium-bearing sulfides |
|