Black Opal - A Comprehensive guide to cutting and orientating

This is a well researched and beatifully presented guide to the fascinating craft of Opal Cutting/Polishing by a recognised leading Craftsman. Being an opal miner at Lightning Ridge for 28 years Greg is well placed to write about how opal is formed - its origins, the fields and the mining methods as well as describing the skills required to make fine jewellery - silve, gold and opal. 140 colour Pictures as well as charts and maps. There is an extensive Glossary as well as a 'Quick Gude' list of must-have's and must-do's.