File:1911 Britannica-Biotite.png

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1911_Britannica-Biotite.png (483 × 163 pixels, file size: 78 KB, MIME type: image/png)

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Description
English: Biotite, like the other micas, it is monoclinic with pseudo-hexagonal symmetry and possesses a perfect cleavage in one direction (c).
Illustration from 1911 Encyclopædia Britannica, article Biotite
Date
Source Encyclopædia Britannica Eleventh Edition, Vol. 3, Page 957
Author Encyclopædia Britannica, 1911

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Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

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current00:58, 27 January 2015Thumbnail for version as of 00:58, 27 January 2015483 × 163 (78 KB)Clarice Reis (talk | contribs)User created page with UploadWizard

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