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Tschörtnerite, a copper-bearing zeolite from the Bellberg volcano, Eifel, Germany
Tschö rtnerite copper-bearing zeolite Bellberg volcano
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2012/3/31
The new mineral tscho¨ rtnerite, ideally Ca4(K,Ca,Sr,Ba)3Cu3(OH)8[Si12Al12O48]· x H2O, x $ 20, occurs as well-formed cubes up to a maximum size of 0.15 mm in a Ca-rich xenolith at the Bellberg volcano...
The chemical composition of REE-Y-Th-U-rich accessory minerals in peraluminous granites of the Erzgebirge-Fichtelgebirge region, Germany, Part I: The monazite-(Ce)-brabantite solid solution series
chemical composition REE-Y-Th-U-rich accessory minerals peraluminous granites Erzgebirge-Fichtelgebirge region monazite-(Ce)-brabantite solid solution series
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2012/3/31
eraluminous granites of the Erzgebirge-Fichtelgebirge, Germany, are hosts of various members of the monazite group of minerals that display an unprecedented compositional diversity. The Eibenstock S-t...
CRYSTALLOGRAPHY, second edition. By W. Borchardt-Ott Springer, Berlin, Germany, 1995. 307 pages
CRYSTALLOGRAPHY second edition W. Borchardt-Ott Springer Berlin Germany 1995 307 pages
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2012/4/5
Crystallography,writtenbyWalterBorchardt-Ottandtranslat-edfromtheoriginalGermanbyRobertO.Gould,isthesecondeditioninEnglishandisbasedonthe?fthGermanedition.The
text,apaperback,istheresultofabout20year...
Mossbauer Spectroscopic Identification of Iron Oxides in Nontronite from Hohen Hagen, Federal Republic of Germany
Goethite Iron Maghemite Magnetic properties Mossbauer spectroscopy Nontronite
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2012/1/9
Iron impurities in the Hohen Hagen nontronite (NG-1) were identified as maghemite and goethite. The phase identified as maghemite was magnetically ordered at both room temperature and 87 K, with hyper...