WebAn einer Falte im cm-Bereich in einem Pyrrhotin-Erz aus der Grube „Bayerland” wurde die Frage nach dem Auftreten von a-Regelungen bei Pyrrhotin untersucht. Das Gefüge … WebProduktvideo für den Onlineshop www.kristallkeller.at

pyrrhotin - English definition, grammar, pronunciation, synonyms …

WebEisen(II)-sulfid ist unlöslich in Wasser. Mit Säuren reagiert es unter Bildung von Schwefelwasserstoff: + + Beim Erhitzen auf höhere Temperaturen erfolgt bei 138 °C und 325 °C jeweils eine kristallographische Umwandlung im festen Zustand. Reines Eisen(II)-sulfid bildet hellbraune Kristalle des Nickelarsenid-Typs.Die technische Ware ist meist durch … Pyrrhotite (pyrrhos in Greek meaning "flame-coloured") is an iron sulfide mineral with the formula Fe(1-x)S (x = 0 to 0.2). It is a nonstoichiometric variant of FeS, the mineral known as troilite. Pyrrhotite is also called magnetic pyrite, because the color is similar to pyrite and it is weakly magnetic. The magnetism … See more Pyrrhotite exists as a number of polytypes of hexagonal or monoclinic crystal symmetry; several polytypes often occur within the same specimen. Their structure is based on the NiAs unit cell. As such, Fe occupies an See more The ideal FeS lattice, such as that of troilite, is non-magnetic. Magnetic properties vary with Fe content. More Fe-rich, hexagonal … See more Pyrrhotite is a rather common trace constituent of mafic igneous rocks especially norites. It occurs as segregation deposits in layered intrusions associated with See more Pyrrhotite has been linked to crumbling concrete basements in Quebec, Massachusetts and Connecticut when local quarries … See more Physical Properties Pyrrhotite is brassy, bronze, or dark brown in color with a metallic luster and uneven or subconchoidal fracture. Pyrrhotite may be confused with other … See more Named in 1847 by Ours-Pierre-Armand Petit-Dufrénoy. "Pyrrhotite" is derived from the Greek word πνρρό, "pyrrhos", meaning flame-colored. See more Other than a source of sulfur, pyrrhotite does not have specific applications. It is generally not a valuable mineral unless significant nickel, copper, or other metals are present. Iron is seldom extracted from pyrrhotite due to a complicated metallurgical process It … See more new employee program names

Schwarze Calcit,Pyrrhotin, Siderit aus Herja Mine, Maramures …

WebPyrrhotin Chemische Formel Fe0,85 1S Mineralklasse Sulfide, Sulfosalze Metall:Schwefel,Selen,Tellur=1:1 II/C.19 20 (nach Strunz) 2.8.10.1 (nach Dana) de … Webpyr·rho·tite (pĭr′ə-tīt′) also pyr·rho·tine (-tīn′) n. A brownish-bronze iron sulfide mineral, FeS, characterized by weak magnetic properties and used as an iron ore and in the … WebEnglish-German online dictionary developed to help you share your knowledge with others. More information Contains translations by TU Chemnitz and Mr Honey's Business Dictionary (German-English). new employee payroll setup form