The book progresses logically, beginning with foundational geological principles and the specific setting of the Merelani Hills. It moves into mineralogy, explaining tanzanite's composition and optical properties. Finally, Tanzanite Creation examines the economic and social impacts of tanzanite mining, offering a comprehensive view of this rare gemstone's journey from the earth to the market. This offers a single-source compendium of information about tanzaniteâs creation and cultural impact that is currently spread out over many different sources.