Dragonglass: The name accorded to volcanic glass or obsidian.
The walls glistened with the sparkling smoothness of volcanic glass.
Where the breastplate ends at the throat he struck, and the blade of volcanic glass cut through the flesh.
We have here found our first specimens of petrifactions and obsidian, or volcanic glass.
This mountain of volcanic glass was, therefore, the great Indian armory; and as such it was neutral ground.
Then that pool down there, if emptied out, would run like the volcanic glass we have found below?
Lysons describes it as a round piece of volcanic glass finely polished—some one calls it Kennel coal.
Obsidian (L)—a volcanic glass; may be black, brown, or green in color.
Log fires were built along the base, and when the volcanic glass was hot cold water was thrown upon it.
The southern end is formed of volcanic glass, or obsidian, as true a glass as any artificially produced.
|volcanic glass |
Natural glass produced by the cooling of molten lava too quickly to permit crystallization. Obsidian is a type of volcanic glass.