Noun obsidian has 1 sense

1. obsidian - acid or granitic glass; usually dark, but transparent in thin pieces
   --₁ is a kind of volcanic glass
   

Obsidian

Definition: A type of natural volcanic glass formed from the rapid cooling of molten lava, typically black or dark green in color.

Examples:

Noun: The archaeologists discovered a sharp obsidian blade at the ancient site.
Noun: The pendant was made of polished obsidian and hung from a leather cord.
Adjective: The obsidian rock formations created an eerie landscape in the moonlight.
Adjective: The obsidian jewelry was highly sought after for its unique and sleek appearance.

Related Products:

• Obsidian Jewelry on Amazon
• Obsidian Blades on Amazon
• Polished Obsidian on Amazon