zinnwaldite

• Mineral do grupo das micas, rico em ferro e lítio, geralmente encontrado em pegmatitos graníticos.

A mineral belonging to the mica group, containing iron and lithium, typically found in granite pegmatites.

1. A lithium-iron mica mineralC2formalscientific

   A mineral of the mica group, composed of silicate sheets and containing significant amounts of iron and lithium, typically found in granite pegmatites.

   Zinvaldita

   • The geologist identified the sample as zinnwaldite due to its characteristic brownish color and lithium content.
   • Zinnwaldite is often associated with other rare minerals in pegmatite deposits.
   • The specimen of zinnwaldite was carefully extracted from the quarry.