File:PyroxeneExsol 0.5mmm.jpg

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PyroxeneExsol_0.5mmm.jpg (617 × 506 pixels, file size: 302 KB, MIME type: image/jpeg)

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English: Polarized light microscope image of part of a grain of orthopyroxene containing exsolution lamellae of augite (long dimension 0.5 mm, Bushveld Intrusion). The texture documents a multistage history: (1) crystallization of twinned pigeonite, followed by exsolution of augite; (2) breakdown of pigeonite to orthopyroxene plus augite; (3) exsolution of augite parallel to the former twin plane of pigeonite.
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Author user:Omphacite

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current15:34, 2 September 2006Thumbnail for version as of 15:34, 2 September 2006617 × 506 (302 KB)Omphacite~commonswiki (talk | contribs)Polarized light microscope image of part of a grain of orthopyroxene containing exsolution lamellae of augite (long dimension 0.5 mm, Bushveld Intrusion). The texture documents a multistage history: (1) crystallization of twinned pigeonite, followed by ex

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