Tri-Flow Mahogany Obsidian Slab Lapidary Stone Slice Cut Rock

Elevate your lapidary projects with this stunning old-stock Tri-Flow Obsidian slab from Glass Butte, Oregon—a rare and visually striking variety of mahogany obsidian known for its flowing, layered patterns and deep contrast. This material features intricate currents of black, red, and brown bands, created by magnetite-rich lava flow, giving it a dramatic and almost liquid appearance. When cut thin or held to light, the pure areas of obsidian are often semi-transparent, revealing beautiful internal clarity. This makes Tri-Flow Obsidian ideal for creating designer-grade cabochons, display pieces, and polished slabs. It takes an exceptional high-gloss polish, showcasing its natural glassy finish. 🔍 Product Features: Material: Tri-Flow Mahogany Obsidian Origin: Glass Butte, Oregon, USA Color & Pattern: Rich layered waves in black, red, and brown Transparency: Translucent zones when cut thin Finish: Excellent polish with high glass-like shine Use Cases: Cabbing, jewelry making, collection, or display 💎 Why You’ll Love It: Rare old stock material – hard to find in today's market Unique flowing patterns not found in standard obsidian Ideal for lapidary artists and collectors Formed naturally in volcanic flows with high magnetite content Don’t miss your chance to work with this exceptional and disappearing material.   Measurements (inches - longest - approx): 4.5 x 3.5 x .23   The last photo has been taken dry so that you may see any defects. The other images were taken wet to simulate polish.