Mahogany Obsidian Rough - Dark Smoky Variant from Glass Butte For Sale

Old stock cutting rough chunk of what appears to be a dark smoky mahogany obsidian variant from Glass Butte, Oregon . Sourced from an old stock collection of Glass Butte material . Personally I have never seen this exact type before - it shows very dark mahogany mixed with black obsidian . Looking closely, the material is quite gorgeous and could open up significant creative possibilities for cabbing or carving.

SPECIFICATIONS
• Material: Natural Tri-Flow Obsidian (Glass Butte)
• Dimensions: 155mm x 105mm x 75mm (Inches - 6.1" x 4.1" x 3.0")
• Weight: 1579 grams (3 lbs 7.7 oz)
• Rarity: Uncommon
• Origin: Glass Butte, Oregon, USA
• Condition: Natural rough, unpolished

Tri-Flow Obsidian from Glass Butte, Oregon, is a mahogany obsidian variety featuring multiple flow patterns and grain currents that create mesmerizing designs. The obsidian between flow lines is often pure and nearly transparent when backlit or cut thin. Color comes from magnetite in the lava flow, giving it the characteristic mahogany appearance. This material is increasingly difficult to find, with most market slabs being old stock.

WHAT MAKES IT SPECIAL
An unusual dark mahogany variant not seen in typical Glass Butte stock. The black-and-mahogany mix creates dramatic visual depth that should produce striking cabs. Significant cutter at over 1.5 kilograms .

PERFECT FOR
• Cabochon cutting
• Glass Butte collectors
• Carving projects

PHOTO NOTE: All photos are taken wet to show polish potential. The last photo is taken dry to show any natural imperfections or surface features, so please review it before purchasing.

Rough stones may contain natural fractures, pits, or inclusions typical of unpolished material.

This listing is for the exact piece shown in photos.