Eyewitness crystal & gem
R. F. Symes
Rocks & Minerals (DK Eyewitness Books)
Rock and Mineral
Crystal & Gem
Roches et minéraux
Rock & Mineral
Rocks & Minerals
Minerals of Cornwall and Devon
Kamni i mineraly
Piedras preciosas y joyas
Rocks, Fossils and Gems
Taslarin Dünyasi
Rocas y minerales
Crystal and Gem
Minerals of northern England
Rocas Y Minerales/Rocks and Minerals
Rochas e minerais
