Collector's Guide to the Vesuvianite Group

Among rock—forming minerals, the vesuvianite group is best known through the many colorful crystals collected at the Jeffrey quarry, in Asbestos, Canada. Spectacular finds in China and Pakistan have added interest in this mineral group. The detailed text begins with an explanation of the chemistry and taxonomy of the group and a discussion of ongoing research into problems such as color, structure, and optically anomalous crystals. A section on their formation and geochemistry explains the ...