Sewardite

Sewardite is a rare arsenate mineral with formula of CaFe₂(AsO₄)₂(OH)₂. Sewardite was discovered in 1982 and named for the mineralogist, Terry M. Seward (born 1940), a professor of geochemistry in Zürich, Switzerland.

单词	Sewardite
释义	Sewardite 英语百科 Sewardite Sewardite is a rare arsenate mineral with formula of CaFe₂(AsO₄)₂(OH)₂. Sewardite was discovered in 1982 and named for the mineralogist, Terry M. Seward (born 1940), a professor of geochemistry in Zürich, Switzerland.
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