Check the listing for details. Meca Obsidian aka Mahogany rough Lapidary Cabbing Knapping Combo ship. Condition: New. Listed at 18.00 USD. Buy 3 or more slab listings and only pay $14 for Priority shipping. Meca Obsidian aka Mahogany Obsidian rough for Cabbing, Lapidary, Knapping, Chakra, Reiki, Healing stone from Mexico. Beautiful red on black material. This is great cabbing material - it provides a high gloss shine. Obsidian is a volcanic glass. Weight: 394g Dimensions: 4 1/2" x 3" x 1 to 1 1/2" thick. Shown wet and dry. Pics taken with an iphone and LED lighting.I offer combined shipping. To combine shipping, just select the items you wish to purchase one at a time and place them in your cart, but do not pay for them. Once you have finished shopping, just click on request total from your cart while using a computer.If you pay for multiple items with shipping, I will combine shipping and refund you the difference.Ebay rates me on how fast I ship orders. If you wish to purchase multiple items, please let me know, otherwise I will ship out paid items as quickly as possible.My payment settings are for 30 days so you can accumulate and combine shipping.