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Topic: Germanite


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In the News (Sun 20 Dec 09)

  
  Mineralogical Almanac - News archive
Germanite is a very rare mineral that commonly occurs as small segregations in association with bornite, renierite, fahlores, sphalerite, galena, and other sulfides and sulfosalts.
Chemical and electron microprobe analyses of germanite, accessible in literature, were compiled by the author, and peculiarities of the chemical composition of germanite were studied.
It has been revealed that 28 analyses from 37 ones are adequately recalculated to the formula with 66 atoms in the unit cell; 6 analyses, to the formula with 64 atoms; and 3 analyses, with 68 atoms.
webcenter.ru /~minbooks/ndm_38_34.html   (249 words)

  
 Germanite - complete list of mineral names
Germanite is a sulfide mineral of germanium, iron and copper with the composition Cu26Fe4Ge4S32.
Germanite is a very rare mineral that commonly occurs as small segregations in association with...
Germanite is a rare copper iron germanium sulfide mineral, Cu13Fe2Ge2S16...
www.absoluterocknet.com /complete_list_of_mineral_and_crystal_names/Germanite.asp   (482 words)

  
 Probert Encyclopaedia: Rocks and Minerals (G)   (Site not responding. Last check: 2007-10-09)
A geosyncline is a broad elongated depression in the earth's crust containing a great thicknesses of sediment.
Germanite is a mineral consisting of a complex copper arsenic sulphide containing germanium, gallium, iron, zinc, and lead: an ore of germanium and gallium.
Geyserite is a loose hydrated form of silica, a variety of opal, deposited in concretionary cauliflower-like masses, around some hot springs and geysers.
www.probertencyclopaedia.com /H7.HTM   (2187 words)

  
 germanium
In February of 1886, Winkler was sure of the discovery of this new element that he named germanium in honor of his fatherland.
Germanium is found in small quantities in the minerals, germanite and argyrodite.
Of these, only the germanite deposits in Tsumeb (Southwest Africa) and renierite deposits in Katanga (Congo) are of major industrial significance.
www.carondelet.pvt.k12.ca.us /Family/Science/GroupIVA/germanium.htm   (393 words)

  
 Ga Description   (Site not responding. Last check: 2007-10-09)
Therefore, it should not be stored in glass containers as they may break as the metal solidifies.
Although widely distributed, the element does not occur in appreciable quantities, even in its richest ore, germanite.
Gallium is found as a trace element in diaspore, sphalerite, germanite, bauxite, and coal.
genchem.chem.wisc.edu /lab/PTL/PTL/Elements/Ga/Ga_Descr.html   (348 words)

  
 AlchemiaNova Rejuvenation Formula Elixir
Monazite is a green mineral that supplies all known rare earth elements, also known as Lanthanides and is particularly high in the element Cerium.
We are using a Monazite from Zomba, Malavi that is not radioactive.
In our in-house provings of the Gem Elixir of Germanite we could verify that this Elixir, in line with expectations, affects the thyroid and the endocrine system.
alchemianova.com /articles/rejuvenation.html   (1100 words)

  
 32 Germanium
Today it is still possible to buy a few specialist transistors such as these made from germanium.
Germanite is an opaque gray, brownish or reddish mineral with a metallic lustre.
It occurs rarely in copper, lead, zinc ore veins and is generally massive or finely granular in form.
www.theodoregray.com /PeriodicTableDisplay/Elements/032/index.s7.html   (201 words)

  
 Cavendish Analytical Laboratories - Laboratory Testing - Metals - Gallium   (Site not responding. Last check: 2007-10-09)
Gallium (atomic weight 69.72, atomic number 31) was first discovered by Boisbaudran in 1875.
The abundance in the earths crust is 0.0005% and may be found in the mineral germanite, a copper sulfide ore. In trace amounts gallium may also be found in aluminum clays, ores of iron, chromium and manganese.
It is the only metal, except for mercury, cesium and rubidium, which can be liquid near room temperatures, making it useful in high-temperature thermometers.
www.cavendish.ca /services/laboratory_testing/metal_parameters/element_list/ga.html   (228 words)

  
 Gallium --  Britannica Student Encyclopedia
Silvery-white with a bluish tinge, it can be cut with a knife.
Found in germanite, zinc blende, iron pyrites, and bauxite, it forms a brilliant mirror when painted onto glass.
When combined with arsenic, phosphorus, and antimony, gallium acquires superconducting properties.
www.britannica.com /ebi/article-9311359   (579 words)

  
 Civilization Fanatics' Forums - 4 wars and a wedding by Raggo
Adolf pulled out his pistol and popped MA, TA, CA and they die before returning into existence in a few moments.
And so this was to be Germanite quickly built a warrior and a spearmon.
The years passed and more towns sprung up all over, a valiant army of horseman and other magnificent warriors was created.
forums.civfanatics.com /printthread.php?t=97938   (848 words)

  
 Holistic Health Encyclopedia - G
Gentain promotes the production of gastric juices, saliva, and bile within the body.
It is chiefly a byproduct of zinc ores and is found in germanite, argyrodite, renieride and coal.
It is often derived from zinc smelter flue systems.
www.findhealer.com /glossary/G.php3   (4778 words)

  
 Definition of germanite - Merriam-Webster Online Dictionary
germanite is one of more than 1,000,000 entries available at Merriam-WebsterUnabridged.com.
For More Information on "germanite" go to Britannica.com
Get the Top 10 Search Results for "germanite"
www.m-w.com /cgi-bin/dictionary?book=Dictionary&va=germanite   (82 words)

  
 Germanite Mineral Data
Standardized Intensity (100%) Reflection Spectra of Germanite in Air
Calculated Relative Intensity Colors of Germanite in Air
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
www.webmineral.com /data/Germanite.shtml   (203 words)

  
 germanium
The element is frequently obtained commercially from flue dusts of smelters processing zinc ores, and has been recovered from the by-products of combustion of certain coals.
EXTENT OF OCCURRENCE IN EARTH'S CRUST ABOUT 0.0007%.
ITS PRESENCE IN COAL INSURES LARGE RESERVE OF THE ELEMENT IN YR TO COME.
www.speclab.com /elements/germanium.htm   (729 words)

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