In petrography, pegmatite is medium to coarse grained which is made up of lepidolite, quartz, alkali feldspar, muscovite and opaque minerals. Lepidolite is in the form of tabular to platy, laths to euhedral crystals, medium to coarse grained and is also exhibiting very well produced parallel twinning (Determine 2(D)). It occurs in the shape of phen