Gemstones of North AmericaComplete and authoritative, this volume combines accurate geological and mineralogical information with detailed descriptions of gem localities for the field collector.” – 8×10″ 675 pages profusely, historic photographs and color illustrated. Book Rocks & Minerals Author: Sinkakas, John Publisher: Princeton N. J. Van Nostrand Date Published: 1/1/1959 ISBN: B002BFG268 Number of Pages 675 Checked Out: No Leave a ReplyCancel reply « Turquois: Memoirs of the National Academy of Sciences » Minnesota’s Rocks and Waters