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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

Mexico

DR133

American Museum of Natural History Printed Archives

American Museum of Natural History Library

Information on rights available at the repository.

37

Earth and Planetary Sciences

American Museum of Natural History

Collection

Citation

Janson, Henry (photographer), “Amethyst, Guerera, Mexico, Harry Frank Guggenheim Hall of Minerals, postcard,” AMNH Research Library | Digital Special Collections, accessed October 15, 2019, https://lbry-web-007.amnh.org/digital/items/show/80783.