The remains of a young man, found in his bed in the destroyed town of Herculaneum, included glassy fragments that had mystified archaeologists ...

Snowflake obsidian is a form of volcanic glass that features white or grayish ... Some of these come from ancient artifacts crafted by Native Americans centuries, if not millennia, ago.

“Obsidian glass, that is a volcanic glass ... “I’m not convinced this (artifact) is the one and only exception to this rule.” Giordano said there was no doubt that the glass was organic ...