Proceedings of the Seventeenth Annual Sinkankas Symposium - Agate and Chalcedony

Myanmar is a country vastly rich in gold, silver, base metals, tin–tungsten, gems and hydrocarbons and is one of the last exploration frontiers remaining in t

Proceedings of the Eleventh Annual Sinkankas Symposium - Ruby, revised edition (2014)

This is the story of one man's endeavor to discover precious gems and to lead a life filled with loyal friends and extraordinary adventures. He finds it all in

From the dawn of time, ruby and sapphire have both attracted and fascinated humans in ways that few other items could.While objects of desire are found througho