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Sadanagaite from
Železník deposit, Veľká Hradná, Trenčín District, Trenčín Region, Slovakia


Locality type:Deposit
Classification
Species:Sadanagaite
Formula:NaCa2(Mg3Al2)(Si5Al3O22)(OH)2
Comments:Ozdín & Rojkovič (2006) publish 66 analysis of different amphiboles from the locality. None of them have C(Al+Fe3+2Ti)>1,5, consequently none of them qualify as sadanagaite and he authors themselves state that "The hastingsite's chemical composition is characterized by fluctuations in the content of Si and Al, in which gradually passes towards sadanagite" (translated from Slovak), and they also do not include sadanagaite in the mineral list from the locality. Chemical composition ( analysis with lowest Si and highest Al+Fe3): SiO2-37.49, TiO2-0.14, Al2O3-12.23, Cr2O3-0.01, MnO-0.15, FeO-24.17, Fe2O3-4,66 MgO-3,79, CaO -11,59, Na2O-2,28, K2O-1,10 H2O , F-0,06 Cl-0,56
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Sadanagaite data
Locality Data:Click here to view Železník deposit, Veľká Hradná, Trenčín District, Trenčín Region, Slovakia
Data Identifiers
Mindat Occurrence Record ID:494344
Long-form Identifier:1:3:494344:0
GUID (UUID V4):0
References
Ozdín D. & Rojkovič I., 2006: Magnetitová mineralizácia na lokalite Železník v Považskom Inovci. Mineralia Slovaca, 38, 2, 109-123.
 
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