Germanite
Germanite is an ore that is very important of element Germanium (Ge) and it is named after the element. It is known from only a number of worldwide localities. It has a characteristic greyish-purple-pink lustre that is metallic is hard to mistake. It is solely a minor supply of this vital semiconductor component, that is principally derived from the process of the Zn chemical compound mineral zinc blende. Germanite is known as for the Germanium content. Germanium had been named in 1885 by chemist Clemens Winkler who discovered it. Winkler named the element that is new through the Latin word, Germania, for Germany, in honour of his homeland. Germanite is quite “heavy” with a weight that is molecular of gm as compared to Lead at 207.20 gm, Quartz at 60.08 gm and Diamond at just 12.01 gm.
Circulation: From Tsumeb, Namibia (the sort locality). At M’Passa, 150 west that is kilometre of, Congo Republic. From Kipushi, 28 km southwest of Lubumbashi, Katanga Province, Congo (Shaba Province, Zaire). In the united states, at the Inexco #1 mine, Jamestown, Boulder County, Colorado; plus in the Ruby Creek deposit, Brooks Range, near Bornite, Alaska. In Cuba, from Pinar del Rio Province. In Bulgaria, during the Radka deposit, Pazardzhik. From Dastakert, Armenia. At Bor, Serbia. From the Bancairoun mine, Alpes-Maritimes, France. At Weisloch, Germany. In Russia, from Vaygach, Arkhangelsk, and in the Norilsk region, western Siberia; at the Vaigach and Sibai deposits, Ural Mountains. In the Shakanai mine, Akita Prefecture.
| Category: | Sulfide mineral |
| Chemical Formula: | Cu26Fe2+4Ge4S32 |
| Copper Iron Germanium Sulfide | |
| Molecular Weight: | 3,192.14 gm |
| Composition: | Iron | 7.00 % | Fe | ||
| Copper | 51.76 % | Cu | |||
| Germanium | 9.10 % | Ge | |||
| Sulfur | 32.14 % | S | |||
| 100.00 % |
| Crystallography: | Isometric – Hextetrahedral |
| Crystal Habit: | Cubic crystals, rarely to 3 cm; commonly massive, intergrown with Reniérite. |
| Twinning: | None |
| Cleavage: | None |
| Fracture: | Irregular/Uneven |
| Tenacity: | Brittle |
| Moh’s Hardness: | 4.0 |
| Density: | 4.46 – 4.59 (g/cm3) |
| Luminescence: | None |
| Radioactivity: | Not Radioactive |
| Color: | Pale greyish pink, reddish grey, tarnishes to a dull brown; in polished section, pinkish grey. |
| Transparency: | Opaque |
| Luster: | Metallic, dull |
| Reflectivity: | Isotropic. R: (400) 21.9, (420) 21.5, (440) 21.1, (460) 20.6, (480) 20.0, (500) 19.6, (520) 19.7, (540) 20.2, (560) 21.0, (580) 21.9, (600) 22.8, (620) 23.8, (640) 24.7, (660) 25.5, (680) 26.2, (700) 26.8 |
| RL Color: | Pinkish gray |
