zinnwaldite

English Thesaurus

1. a mica containing iron and lithium (noun.substance)

hypernym	:	isinglass, mica,
definition	:	any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves; used as dielectrics because of their resistance to electricity (noun.substance)

substance holonym	:	atomic number 3, li, lithium,
definition	:	a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals (noun.substance)