pieces obsidian dragonglass

navigate by keyword : american arrowheads basaltic black blades breakage brown bunched chips conchoidal cooled crystalline curved cuts dragon dragonglass edges flint fracture glass glasslike indians inorganic instantaneously knapping knife knives lava mafic material natural non noncrystalline obsidian quickly rapid reflective resource sharp silicate solidified solids spots surfaces surgeons sweeping tools used volcanic weapons white pieces shard shards walkers dead whitewalkers fantasy geologic tool killing kill

Shards of volcanic glass bunched on white background. Conchoidal fracture in curved sweeping patterns on reflective surfaces. Sharp enough for surgeons knives, the mafic basaltic glass has been used for blades and arrowheads, and as Dragonglass, in killing fantasy dead white walkers.