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Smithsonian National Museum of Natural History
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Department of Mineral Sciences

Izalco Volcano
Department of Mineral Sciences
Smithsonian Institution
PO Box 37012, MRC 119
Washington, DC 20013-7012
Phone: (202) 633-1860
Fax: (202) 357-2476

Department Chair: Jeffrey Post
Office Administrator: Joseph Mack

Staff Members: To contact an individual please visit our staff page to access that staff member's page.

  • For questions regarding gems, contact Russell Feather.
  • For questions regarding minerals, contact Paul Pohwat.
  • For questions regarding rocks, contact Leslie Hale.
  • For questions regarding meteorites, contact or call 202-633-1843 for more information.
  • For questions regarding volcanoes, contact Ed Venzke.

  • X-Ray Diffraction Lab - (202) 633-2476
  • Electron Microprobe Lab - (202) 633-1845
  • Thin Section Lab - (202) 633-1795
  • Scanning Electron Microscope Lab - (202) 633-1857

For questions regarding the Department of Mineral Sciences website, contact Adam Mansur.

General Inquires: For all other inquiries contact Phyllis McKenzie.

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