sewardite

English

Etymology

From the surname Seward +‎ -ite.

Noun

sewardite

  1. (mineralogy) An orthorhombic-dipyramidal mineral containing arsenic, calcium, hydrogen, iron, oxygen, and zinc.

References

  • David Barthelmy (1997–2025) “Sewardite”, in Webmineral Mineralogy Database.

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