File:Britannica Flor-spar Interpenetrant Cubes.png

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Britannica_Flor-spar_Interpenetrant_Cubes.png (471 × 470 pixels, file size: 11 KB, MIME type: image/png)

Description
English: A characteristic twin of interpenetrant cubes for fluor-spar (fluorite).
Date published 1911
Source Encyclopædia Britannica, 11th ed., Vol. 10, p. 578
Author Unknown authorUnknown author
Permission
(Reusing this file)
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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4029ebd33059beab344aa605c0fd4110cf326243

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Date/TimeThumbnailDimensionsUserComment
current23:11, 26 July 2009Thumbnail for version as of 23:11, 26 July 2009471 × 470 (11 KB)Bob Burkhardt{{Information |Description={{en|1=A characteristic twin of interpenetrant cubes for fluor-spar (fluorite).}} |Source=Encyclopædia Britannica, 11th ed., Vol. 10, p. 578 |Author=unknown |Date=published 1911 |Permission={{PD-Britannica}} |other_versions= }}
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