lepidolite - violet mica

basal brilliant chlinochlore cleavage close closeup collection cristal crystal cut cutout deposit earth feldspar fragility geological geology glass gliter gloss gravel interlayer lamellar layer layered lepidolite lithium macro material mica mineral mineralogical mirror mountain muscovite natural nature objects pattern physical pink potassium reflection rock sample sericite sheet shine shining shiny silica silicate slice stone translucent transparent violet white