Obsidian Clothing in London Obsidian Clothing is located in Rm 1.1, First Floor, 29 Ropergate, Pontefract, West Yorkshire, Wf8 1lg Pontefract London and the postcode of the business is WF8 1L, Obsidian Clothing operates in the fields such as Alternative and Gothic, Wedding Dresses, Weddings, Clothing and Accessories, Shopping,.