Rough black obsidian mineral specimen with uneven, natural surfaces and a glossy appearance. The specimen exhibits a characteristic conchoidal fracture typical of obsidian. Provided in a labeled plastic bag indicating the mineral type. No maker or further identification marks are present.
See photos for measurements, if taken. Suitable for collectors, educational use, or display. Please review photos for additional visual details and overall condition. No major visible chips or cracks outside the expected natural edges and formation.