(1) Acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces
(2) Acid or granitic glass
(3) Usually dark
(4) but transparent in thin pieces
(1) The presence of basalt and obsidian is a sign of volcanic activity and the instability of the earth's crust in this area.
(2) Obsidian looks like coal and while both are black, obsidian is shinier.
(3) Hard stones such as obsidian and rock crystal were added to the repertoire of the stone-vase maker.
(4) Silent as stones like two black pillars carved from obsidian rock.
(5) The earliest mirrors were of obsidian , a black volcanic rock that could be carved and polished.
Game of Thrones Season 7, Episode 3
Obsidian. He says you have a tremendous amount of it here.
Game of Thrones Season 2, Episode 8
The maesters call it obsidian.
Game of Thrones Season 5, Episode 5
What the maesters call obsidian.
Game of Thrones Season 5, Episode 5
Why would obsidian kill a Walker?
