Microlith in Libyan glass

The microliths are lithic artifacts intentionally carved by humans, especially during prehistory, extremely small in size. In this case, the microlith is a DRILL.

He Libyan glass is a impactite, made mainly of lechatelierite, which is located in the Sahara region located between Egypt and Libya, formed by the meteorite impact that melted sedimentary rocks. The impact crater is not yet known, but bubbles with elements typical of meteorites have been found inside the Libyan glass, which were trapped in the collision and fusion process. The glass in the Libyan Desert has been dated to have formed about 29 million years ago. 

Libyan glass has been used since ancient times to make lithic tools during the Pleistocene and funerary amulets, some found in the tombs of the pharaohs.