Toll-Free 888-331-7625 or 307-754-4681 | Shopping Cart | About Us - Company Info | Contact Us Page | Home Page Rough: Obsidian, mahogany black lace $3.00 Mahogany black lace obsidian from Oregon is a double flow obsidian with shades of brownish red with black and clear to smoky areas which make beautiful lace patterns. (Stock 542) Rough sizes average 1-8 pounds. Obsidian is great for jewelry or handknapped knife blades, spear points and more. The price listed is for one pound of rough. Related Items Here are some products that may also be of interest to you: • Cab: Obsidian, mahog. black lace 30x22mm • Cab: Obsidian, mahog. black lace, 38 x 52mm, (200) • Cab: Obsidian, mahog. black lace, 38 x 52mm, (201) • Cab: Obsidian, mahog. black lace, 38mm • Obsidian, mahogany black lace slab, OR