TORBERNIT (KUPFERURANIT), ZAIRE (großes Kabinettstück) NICHT AUSSERHALB AUSTRALIENS ZU VERKAUFEN
Torbernit, oft als Chalcolith bezeichnet, ist ein recht verbreitetes Mineral mit der chemischen Formel Cu[(UO2)(PO4)]2(H2O)12. Dieses hydratisierte grüne Kupfer-Uranphosphat kommt typischerweise in Graniten und anderen Uranlagerstätten als Sekundärmineral vor. Seine chemische Struktur ähnelt stark der des Autunits, wobei ein Cu2+-Kation ein Ca2+-Kation ersetzt. Unter bestimmten Bedingungen kann Torbernit Wasser verlieren und sich in Metatorbernit umwandeln, das die Formel Cu[(UO2)(PO4)]2(H2O)8 hat.
NICHT FÜR DEN VERKAUF AUSSERHALB AUSTRALIENS
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