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Argentian Tetrahedrite from
Herja Mine, Chiuzbaia (Kisbánya), Baia Mare (Nagybánya), Maramureș Co., Romania

Comments:Freibergite requires 28 wt % Silver and Cook and Damian Found all Herja tetrahdrites to have between 7 and 20 wt % Silver. A single recent pocket contained Freibergites in Plumosite
Habit:modified terahedra to several mm
Colour:grey black
UV Fluorescence:none
Quality of samples:Poor for species, only of interest for locality collectors. (#)
Rarity at site:Rare
Validity:Believed Valid
References:[Cook N.J., Damian Gh., New data on "Plumosite" and Other Sulfosalt Minerals from the Herja Vein Deposit, Baia Mare Dist., Romania, Geologica Carphathica, (1997)]
Mineral Data:Click here to view Argentian Tetrahedrite data
Locality Data:Click here to view Herja Mine, Chiuzbaia (Kisbánya), Baia Mare (Nagybánya), Maramureș Co., Romania
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