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File:Americana 1920 Mineralogy - Crystals.jpg

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Description
English: A chart showing eight diverse forms of crystalline minerals.
Date published 1920
Source Encyclopedia Americana, v. 19, 1920, facing p. 164.
Author unknown photographer/compiler; article author is Alfred J. Moses
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Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Americana_1920_Mineralogy_-_Crystals.jpg

Caption:

9  Amethyst Crystals in parallel position 13  Cubical cleavage of Halite  
10  Reniform Hematite 14  Curved Gypsum
11  Conchoidal fracture of Uintahite 15  Star Sapphire
12  Tree agate showing arborescent form of Wad   16  Reticulated Cerussite

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Date/TimeThumbnailDimensionsUserComment
current14:39, 5 October 2012Thumbnail for version as of 14:39, 5 October 20121,627 × 2,303 (238 KB)Bob Burkhardt{{Information |Description={{en|"American Food Fishes": chart of commercial fish used for food}} |Source=''Encyclopedia Americana'', v. 11, 1920, facing p. 284. |Date=published 1920 |Author=unknown artist |Permission={{PD-1923}} |other_versions= }} Cap...

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