1. Plural of obsidian; hard, dark volcanic glass formed when lava cools rapidly, often used for tools, jewelry, or decorative objects.
Usage: Typically used in geological, archaeological, or craft contexts.

Examples

• The museum displayed ancient obsidians that were used as cutting tools by early civilizations.
• Obsidians come in various colors, including black, mahogany, and snowflake varieties.
• Archaeologists found obsidians scattered throughout the excavation site.
• Jewelers often polish obsidians to create striking pendants and rings.
• The volcanic region produced high-quality obsidians prized by artisans.