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Amethyst, Guerera, Mexico, Harry Frank Guggenheim Hall of Minerals, postcard

http://lbry-web-002.amnh.org/san/AMNH_postcards/100213323_37.jpg
http://lbry-web-002.amnh.org/san/AMNH_postcards/100213323_37v.jpg

100213323_37

Amethyst, Guerera, Mexico, Harry Frank Guggenheim Hall of Minerals, postcard

Unknown

Ephemera

5 7/8 x 4 1/8

Verso: Amethyst, Guerero Mexico. Amethyst is a variety of quartz. Its color is believed to be due to finely dispersed iron compounds and varies from pale violet to deep purple. Harry Frank Guggenheim Hall of Minerals. Series Code: 40318-D. Dexter Press

DR133

Information on rights available at the repository.

37

Collection

Citation

Janson, Henry (photographer), “Amethyst, Guerera, Mexico, Harry Frank Guggenheim Hall of Minerals, postcard,” AMNH Research Library | Digital Special Collections, accessed August 20, 2019, http://lbry-web-007.amnh.org/digital/index.php/items/show/80783.