Jun 25, 2026Discover the 3 main characteristics of obsidian: volcanic glass formation, glassy luster, and sharp edges ideal for cutting tools.

Jun 22, 2026Learn how to identify Obsidian black stone by its glassy luster, sharp edges, and unique volcanic glass characteristics.

Jun 3, 2026Discover how to identify real obsidian by its glossy, jet-black appearance, sharp edges, and unique fracture patterns.