Gemstones: A Jewelry Maker's Guide to Identifying and Using Beautiful Rocks by

Rock and Gem: The Definitive Guide to Rocks, Minerals, Gemstones, and Fossils

Gemstones: A Jewelry Maker's Guide to Identifying and Using Beautiful Rocks [har

Rock and Gem : The Definitive Guide to Rocks, Minerals, Gemstones

Rock and Gem : the Definitive Guide to Rocks, Minerals, Gemstones, and Fossils

A Guide to the Rocks Minerals and Gemstones of Southern Africa by Macintosh -1st

Rock and Gem : The Definitive Guide to Rocks, Minerals, Gemstones

A Guide to Gemstones and Rocks (Paperback or Softback)