黑曜岩 Traditional form: 黑曜岩 Pinyin (reading): hēiyàoyán Definitions: obsidian (mining) Characters: 黑 - black; dark; evil, sinister 曜 - bright, glorious; Venus 岩 - cliff; rocks; mountain Traditional characters: 黑 - black; dark; evil, sinister 曜 - bright, glorious; Venus 岩 - cliff; rocks; mountain