File:Britannica Heulandite.png

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Britannica_Heulandite.png ‎(229 × 372 pixels, file size: 6 KB, MIME type: image/png)

Description
English: Line diagram of crystal structure of the mineral heulandite.
Date
Source Encyclopædia Britannica, 11th ed., Vol. 13, p. 416.
Author Leonard James Spencer
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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checksum

392868a8e26c12cb81fa1c201cd0cc651667f459

determination method: SHA-1

data size

6,304 byte

height

372 pixel

width

229 pixel

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Date/TimeThumbnailDimensionsUserComment
current17:41, 22 October 2009Thumbnail for version as of 17:41, 22 October 2009229 × 372 (6 KB)Bob Burkhardt{{Information |Description={{en|1=Line diagram of crystal structure of the mineral heulandite.}} |Source=Encyclopædia Britannica, 11th ed., Vol. 13, p. 416. |Author=Leonard James Spencer |Date=1911 |Permission={{PD-Britannica}} |other_versions= }} [[Cat
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