Obsidian

That is the blackest obsidian I have ever seen before.

Sir Thomas said that only an arrowhead made of pure obsidian could pierce the mighty dragon's underbelly.

Obsidian comes from volcanoes.

Obsidian is an igneous rock.

Obsidian is translucent.

The cat's fur appeared almost obsidian in the moonlight.

The Aztecs made extremely sharp knives and weapons from obsidian.

The Neolithic culture from 8000 to 6000 B.C., however, was a brilliant period of the revival of crafts, the transformation of gathering into gardening, the growth of a cross-cultural obsidian trade, and the rise of towns.

Looks like a yellow biscuit of a buttery cue ball moon / Rolling maverick across an obsidian sky