Label: Not On Label (Galena Self-released) - none • Format: 4x, File FLAC • Country: US • Genre: Rock • Style: Black Metal, Sludge Metal
Galenaalso called lead glance, is the natural mineral form of lead II Ode - Galena - Galena (File) PbS. It is the most important ore of lead and an important source of silver. Galena is one of the most abundant and widely distributed sulfide minerals.
It crystallizes in the cubic crystal system often showing octahedral forms. It is often associated with the minerals sphaleritecalcite and fluorite. Galena is the main ore of leadused since ancient times. Because of its somewhat low melting pointit was easy to liberate by smelting. It typically Половина Сердца - Леонид Агутин - DeLuxe Collection Ode - Galena - Galena (File) low-temperature sedimentary deposits.
In these deposits significant amounts of silver occur as included silver sulfide mineral phases or as limited silver in solid solution within the galena structure.
These argentiferous galenas have long been an important ore of Ode - Galena - Galena (File). Galena deposits are found worldwide in various environments. Galena also was a major mineral of the zinc -lead mines of the tri-state district around Joplin in southwestern Missouri and the adjoining areas of Kansas and Oklahoma.
Of the latter, the Coeur d'Alene district of northern Idaho was most prominent. Galena is the official state mineral of the U. Galena belongs to the octahedral sulfide group of minerals that have metal ions in octahedral positions, such as the iron sulfide pyrrhotite and the nickel arsenide niccolite.
The galena group is named after its most common member, with other isometric members that include manganese bearing alabandite and niningerite. Divalent lead Pb cations and sulfur S anions form a close-packed cubic unit cell much like the mineral halite of the Ode - Galena - Galena (File) mineral group. Zinccadmiumironcopperantimonyarsenicbismuth and selenium also occur in variable amounts in galena.
Selenium substitutes for sulfur in the structure constituting a solid solution series. The lead telluride mineral altaite has the same crystal structure as galena. Within the weathering or oxidation zone galena alters to anglesite lead sulfate or cerussite lead carbonate. Galena exposed to acid mine drainage can be oxidized to anglesite by naturally occurring bacteria and archaeain a process similar to bioleaching. One of the oldest uses of galena was in the eye cosmetic kohl. In Ancient Egyptthis was applied around the eyes to reduce the glare of the desert sun and to repel flies, which were a potential source of disease.
Galena was used as decoration in the prehistoric Mississipian city at Kincaid Mounds in present-day Illinois. Galena is the primary ore of leadand is often mined for its silver content, such as at the Galena Mine in northern Idaho. It is also used in a green glaze applied to pottery. Galena is a semiconductor with a Defibrillator - Jan Harbeck Live Jive Jungle - Elevate band gap of about 0.
It was used as the crystal in crystal radio receivers, in which it was used as a point-contact diode capable of rectifying alternating current to detect the radio signals. The galena crystal was used Ode - Galena - Galena (File) a sharp wire, known as a "cat's whisker" in contact with it. From Wikipedia, the free encyclopedia.
Rocksalt group, sulfide mineral. For other uses, see Galena disambiguation. Galena lead glance Galena close-up. Handbook of Mineralogy PDF. Hydrometallurgy Proceedings of the Sixth International Symposium. American Mineralogist. The Art of Medicine in Ancient Egypt. New York. Ore mineralsmineral mixtures and ore deposits.
Cassiterite tin Chromite chromium Coltan niobium and tantalum Columbite niobium Hematite iron Ilmenite titanium Magnetite iron Pyrolusite manganese Tantalite tantalum Uraninite uranium.
Acanthite silver Argentite silver Bornite copper Chalcopyrite copper Chalcocite copper Cinnabar mercury Cobaltite cobalt Galena lead Molybdenite molybdenum Pentlandite nickel Sphalerite zinc. Dolomite magnesium Magnesite magnesium Malachite copper. Baryte barium Bauxite aluminium Beryl beryllium Sperrylite platinum Scheelite tungsten Wolframite tungsten.
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Galena close-up. Sulfide mineraloctahedral subgroup. Wikimedia Commons has media related to Galena. Oxides Cassiterite tin Chromite Reacción En Cadena - Luis Auserón - El Caos Y El Orden Coltan niobium and tantalum Columbite niobium Hematite iron Ilmenite titanium Magnetite iron Pyrolusite manganese Tantalite tantalum Uraninite uranium.
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