Английская Википедия:Germanite

Материал из Онлайн справочника
Перейти к навигацииПерейти к поиску

Шаблон:Infobox mineral Germanite is a rare copper iron germanium sulfide mineral, Cu26Fe4Ge4S32. It was first discovered in 1922, and named for its germanium content.[1] It is only a minor source of this important semiconductor element, which is mainly derived from the processing of the zinc sulfide mineral sphalerite.[2] Germanite contains gallium, zinc, molybdenum, arsenic, and vanadium as impurities.[1]

Its type locality is the Tsumeb Mine in Namibia where it occurs in a hydrothermal polymetallic ore deposit in dolomite in association with renierite, pyrite, tennantite, enargite, galena, sphalerite, digenite, bornite and chalcopyrite.[3] It has also been reported from Argentina, Armenia, Bulgaria, Cuba, Democratic Republic of Congo (Zaire), Finland, France, Greece, Japan, Republic of Congo (Brazzaville), Russia and the United States.[1]

X-Ray Powder Diffraction[4]
d spacing 3.05 2.65 1.87 1.60 1.32 1.21 1.08 1.02
relative intensity 10 1 7 4 1 2 2 1

References

Шаблон:Reflist

Шаблон:Commons category


Шаблон:Sulfide-mineral-stub

  1. 1,0 1,1 1,2 http://www.mindat.org/min-1681.html Mindat.org
  2. U.S. Geological Survey (2008), "Germanium—Statistics and Information", U.S. Geological Survey, Mineral Commodity Summaries http://minerals.usgs.gov/minerals/pubs/commodity/germanium/
  3. Ошибка цитирования Неверный тег <ref>; для сносок Handbook не указан текст
  4. Dana's New Mineralogy, 8th edition, Gaines et al., Wiley