Growth mechanism and surface defects in the {210} form in pyrite crystals |
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| Authors: | M A Caballero M Gonzalez Mañas J L Amoros |
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| Institution: | 1. Departamento de Estructura y Propiedades de los Materiales, Facultad de Ciencias, Aptdo. 40, Puerto Real, Cadiz, Spain
2. Departamento de Cristalografia y Mineralogia, Facultad de Ciencias Geologicas, Universidad Complutense, Madrid, Spain
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| Abstract: | This paper is a study of the etch pits on the {210} surfaces of pyrite. There is great similarity between them and the etch pits which appear on the {100} and {111} forms. The presence of six-fold growth spirals, frequent on the {210} form surfaces, result from a cooperation of two three-fold growth spirals generated from screw dislocations with the same sign of their Burgers vectors and different modulus. |
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