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Dumortierite Image

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 Dumortierite

Large Dumortierite Image

Mineral: Dumortierite: Al6.5-7(BO3)(SiO4)3(O,OH)3
Comments: Low-magnification, bright-field image showing dispersed dumortierite fibers extracted from rose quartz on a carbon film. (AmMin 87:270).
Location: Madagascar.
Scale: See Image.
Copyright: © American Mineralogist
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