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Webster 1913 Edition

Noun.

[So called after

Zinnwald

, in Bohemia, where it occurs.]

(Min.)

A kind of mica containing lithium, often associated with tin ore.

See also: zinnwaldite

Zinnwaldite

See also: Zinnwaldite

Zinnwaldite

zinnwaldite ‎(plural zinnwaldites)

(mineralogy) A mineral with monoclinic crystals, K Li Fe²⁺Al(AlSi₃)O₁₀(F,OH)₂, of the mica group.