Biaxiality in relation to visible twinni
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Francis J. Turner
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Article
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1975
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Springer
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English
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Moderate to strong biaxiality (2V=10~ ~ in experimentally deformed calcite (in single crystals and in marble) is attributed to overlap between one or two thin {01i2} twin lamellae and the enclosing host. A perfectly centered conoscopic figure (section normal to [0001]) is perceptibly asymmetric abou