Toll-Free 888-331-7625 or 307-754-4681 | Shopping Cart | About Us - Company Info | Contact Us Page | Home Page Obsidian, double flow or banded slabs $4.00 Five square inches of obsidian, double flow from Montgomery Pass, NV. A unique obsidian w/translucent gray/black thin opaque bands and black bands running parallel giving the appearance of looking through a partially opened Venetian blind. Laminate thin slabs together for fantastic patterns. Stock 543s Related Items Here are some products that may also be of interest to you: • Rough: Obsidian, double flow or banded