Getting Gold A Practical Treatise For Prospectors, Miners, And Students
J C F Johnson
A Handbook of Minerals, Crystals, Rocks and Ores
P.O. Alexander
In Search of Gems
Kenneth C. Steven
Matthew Forster Heddle
Hamish H. Johnston
Crystal Connections
Philip Permutt
Exploring Crystalline Glazes
Diane Creber
Gold Diggers
Sanjena Sathian
Gold Diggers
Sanjena Sathian
Your Crystal Allies
Tracee Dunblazier
Your Crystal Allies
Tracee Dunblazier
Gems and the New Science
Michael Bycroft
Periodic Tales
Hugh Aldersey-Williams