Black
Obsidian
Obsidian noun - Acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces.
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In another Black/Obsidian title, Knights of the Old Republic II: a dark side player character can become this with the beserker wookiee Hanharr.
Source: Blood Brothers -
The sharpest manufacturable blades are made of obsidian, which is a black glass (they have an entry under Absurdly Sharp Blade).
Source: Black Swords Are Better - Not to be confused for the creator or the video game, obsidian is in its most common form a black, volcanic rock primarily formed of silicon dioxide, formed when lithic flows cool in a rapid fashion.
Source: Useful Notes / Obsidian
Cite this Source
Obsidian and Black. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/black/obsidian
Black & Obsidian. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/black/obsidian>.
Obsidian or Black. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/black/obsidian.
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