The definitive resource for mineral collectors, this comprehensive book describes the structural relationships among orthosilicateminerals, known for their hard

Over 140 color photos, diagrams, and text reveal the crystal structures, habits, names, and changing family relationships of silicate crystals. This thorough gu

Geoscientists and Engineers taking an interest in Petrophysics, are struck by the contrasting treatment of the Physics Aspects and the Geology Aspects. If we ar

With the tremendous growth of population in this and neighboring states, there are more collectors than ever before and with the rapidly escalating prices for m