Visual meaning of 'obsidian'? - learn with images, example in daily life

Visual illustration of obsidian: A type of black glass produced by volcanoes. - Image 1

obsidian: A type of black glass produced by volcanoes. - Thumbnail 1

obsidian: A type of black glass produced by volcanoes. - Thumbnail 2

noun

A type of black glass produced by volcanoes.

"The ancient tools were made of obsidian, a black, volcanic glass. "

geology material substance

Visual illustration of obsidian: Black

adjective

Black

"Her obsidian hair shone in the sunlight. "

color material geology appearance