✨ What makes Mahogany Obsidian special?
- Its pattern preserves motion: dark glass and iron-rich domains were stretched, folded and interrupted while the lava was still moving.
- It is glass rather than a mineral crystal: rapid cooling prevented a large, orderly crystal lattice from developing.
- Light reveals a warmer interior: apparently opaque edges may become smoky tea-brown or reddish when held against a strong light.








