Double Terminated Tourmaline – Stak Nala, in the north-eastern part of Nanga Parbat, Haramosh Massif, Skardu District, Baltistan, Gilgit-Baltistan (Northern Regions), Pakistan
 
Perfect crystallized Tourmaline with Albite Var. Cleavelandite. The highly lustrous, flawless crystal has a sharp horizontal separation between the dark green (appearing black) prism faces and the absolutely transparent green  termination. The termination converge to form an isosceles triangle.