These tourmaline, variety elbaite, crystals are from Stak Nala, Haramosh Mountains of the Skardu District, Gilgit-Baltistan (Northern Areas), Pakistan. This area contains gem bearing pegmatites which the local populations mine for gems and mineral specimens including elbaite. It is a silicate and it contains the elements Na, Li, Al, Si, O, B and H. It comes in a variety of colors from colorless to black. The presence of trace elements in the crystal lattice determines the color and species. This specimen consists of a cleavelandite, variety ablite, crystal matrix and three green capped dark green to brown elbaite crystals. The tourmalines have basal terminations with beveled corners. This piece measures 1 1/16 x 3/4 x 3/4 inches or 27 x 20 x 20 mm.