WebNamed in 1942 by Wallace E. Richmond and Forrest A. Gonyer From the Greek words meaning κρυπτοζ "hidden" and ρελαζ "black," since as the identity of this common black manganese mineral has been hidden within a group of manganese oxides. Type Locality: ⓘ Tombstone, Tombstone Mining District, Cochise County, Arizona, USA. WebGeneral Cryptomelane Information Chemical Formula: K (Mn++++,Mn++)8O16 Composition: Molecular Weight = 734.59 gm Potassium 5.32 % K 6.41 % K 2 O Manganese 59.83 % …
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WebTranslation of "Criptomelano" into English . cryptomelane is the translation of "Criptomelano" into English. Sample translated sentence: Nei tipi litologici, a struttura … WebAug 1, 2007 · Fig. 1 shows the XRD patterns of the as-prepared birnessites BG and BPVA. Both samples show perfect crystalline reflections at lower angles (2⊖ = 12.7°, 25°), which clearly confirm the formation of potassium birnessite .Additionally other minor peaks are present in both diffractograms with differences between them, corresponding to other … tes pbb adalah
Criptomelano in English - Italian-English Dictionary Glosbe
WebIl criptomelano è un minerale appartenente al gruppo della coronadite. Indice. 1 Abito cristallino; 2 Origine e giacitura; 3 Forma in cui si presenta in natura; 4 Collegamenti esterni Web#Criptomelano ⚫Mineral óxido El criptomelano o criptomelana es un mineral óxido de composición K(Mn4+,Mn3+)8O16. Su nombre, asignado por Wallace E. Richmond y Forrest A. Gonyer en 1942, proviene de... El criptomelano o criptomelana es un mineral óxido de composición K(Mn ,Mn )8O16. Su nombre, asignado por Wallace E. Richmond y Forrest A. Gonyer en 1942, proviene de los términos griegos κρυπτοζ, «oculto», y ρελαζ, «negro», ya que la identidad de este mineral común era ignorada al formar parte del «psilomelano», nombre colectivo que agrupa varios óxidos de manganeso. … tes pauli untuk melihat