Relación entre los parámetros cristalinos de la celestina y su contenido en bario
DOI:
https://doi.org/10.3989/egeol.85411-2684Keywords:
Celestite, Lattice parameters, Tenor in barium, Betic Cordillera.Abstract
26 selected samples of celestite minerals belonging to four strontium mineralizations in the eastern part of the Cordillera Bética (Murcia and Almena provinces) are studied by X-ray diffraction and chemical analysis. These samples show a continuous isomorphous series in the SrSO4-BaSO4 system only in the range 0-10% BaO, with a small increase in the cell lattice parameters a, b, e , and V. The orthorrombic cell dimensions were calculated by the least squares method. In this manner we have obtained the following equations by linear regression: a = 8.353 + 7.728.10-3x, b = 5.352 + 9.362. 10-4x, c = 6.871 + 1.316. 10-3x y V= 307.600 + 0.1997x, were x is the BaO tenor in percentaje.
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