the world > the earth > minerals > types of mineral > silicates > phyllosilicate > [noun] > mica > lepidolite > varieties (4)
A kind of mica containing lithium and iron, mined as a source of lithium.
A lithium- and iron-containing mica, now regarded as a variety of lepidolite.
A mineral of the mica group that contains lithium (in a higher proportion than lepidolite, of which it was originally considered a variety) and…
a form of mica resembling zinnwaldite but containing more lithium and less iron.