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staurolite twinned

Posted by Ferdinando Giovine  
staurolite twinned
April 18, 2012 12:18PM
According to:
Friedel, G. (1904). Étude sur les groupements cristallins. Extrait du Bulletin de la Société de l'Industrie minérale, Quatrième série, Tomes III et IV. Saint-Étienne, Société de l’Imprimerie Théolier J. Thomas et C..
Hurst, V., Donnay, J.D.H., Donnay, G. (1956). Min. Mag., 31, 145
Nespolo M. & Ferraris G. (2007): Overlooked problems in manifold twins: twin misfit in zero-obliquity TLQS twinning and twin index calculation. Acta Crystallographica Section A
A third twin having on (320) plane for staurolite. It is very rare.
Re: staurolite twinned
April 19, 2012 07:24PM
Thanks, added.

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