Tri-Flow Obsidian Rough Cut - Glass Butte Pattern with Good Flash Display sunset pattern large and being a slab

and being a slab

paired with an unusual smoky black backdrop

The dual-tone split offers two distinct looks in one slab - black/white and red/black fireworks patterns

This Sahara stromatolite fossil features the distinctive patterns and colors that make this billion-year-old material perfect for unique cabochons

this piece looks nice and solid and should cut spectacular cabochons

Tri-Flow Obsidian Rough Cut - Glass Butte Pattern with Good Flash Display sunset pattern large and being a slabTri Flow Obsidian Rough Cut Great Tri Flow Pattern with Good Flash Glass Butte Display Piece This stunning Tri Flow Obsidian from Glass Butte, Oregon shows great tri flow pattern with good flash. It is going to make an awesome display piece and should take a good polish. It could also be domed into one giant cabochon. SPECIFICATIONS Material: Natural Tri Flow Obsidian Dimensions: 119mm x 74mm x 17mm (Inches 4. 7" x 2. 9" x 0. 7") Weight: 164 grams (5.