carphosiderite

\\ˌkärfōˈsidəˌrīt\ noun (-s)

Etymology: German karphosiderit, from Greek karphos dry stalk + sidēros iron + German -it -ite

: a mineral consisting of a basic hydrous iron sulfate occurring in yellow masses and crusts

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carphoˈsiderite Min.

[f. Gr. κάρϕος straw + σίδηρος iron + -ite.]

A hydrous sulphate of iron with sand and gypsum, occurring as a straw-coloured mineral, found in reniform masses and incrustations, in Labrador.

Dana Min. 452.