SRB Stone Supplies        Rough Rock, Slabs and Lapidary Materials
                                                                                                                                             e-mail: info@srbstones.co.uk

MAHOGANY OBSIDIAN.  Volcanic glass streaked with black and dark brown.   Irregular pieces with very sharp edges. 

Shape and size makes this material more suitable for a trim saw rather than a slab saw.  Pieces up to 0.5kg.

                                                                                                                                                                                                            £1.10/lb,  £2.40/Kg