John Sinkankas

Gem Cutting: A Lapidary's Manual, 2nd Edition

John Sinkankas

$15.69 - $44.95

Gemstones and Minerals: How and Where to Find Them

John Sinkankas

$25.29 - $41.09

Gem Cutting a Lapidarys Manual Edition

John Sinkankas

$22.59 - $39.79

Field Collecting Gemstones and Minerals

John Sinkankas

$10.89 - $56.38

Gem Cutting: A Lapidary's Manual

John Sinkankas

$35.95 - $46.95

Gemstone & Mineral Data Book: A Compilation of Data, Recipes, Formulas and Instructions for the Mineralogist, Gemologist, Lapidary, Jeweler, Craftsman and Collector

John Sinkankas

$23.59 - $54.09

Gemstones of North America (v. 2: Gemstones of the world series)

John Sinkankas

$18.79 - $23.19

Mineralogy

John Sinkankas

$26.89 - $84.99

Gemstones and Minerals: How and Where to Find Them

John Sinkankas

Out of Stock

Standard Catalog of Gem Values

John Sinkankas

$8.39

Gemstones of North America VOLUME I

John Sinkankas

$29.29

Gemstones of North America. Colored Illus. and Line Drawings by the Author

John Sinkankas

Out of Stock

Van Nostrand's Standard Catalog of Gems

John Sinkankas

$4.89 - $5.09

Mineralogy for Amateurs, Line Drawings and Diagrams By the Author

John Sinkankas

$72.59

Gem Cutting A Lapidary's Manual by John Sinkankas Hardback 1955

John Sinkankas

Out of Stock

Beryl (Butterworths Gem Books)

John Sinkankas

$44.09 - $51.79

Van Nostrand's Standard Catalog of Gems

John Sinkankas

$8.49

Standard Catalogue of Gem Values

John Sinkankas

$17.59

Gemology: An Annotated Bibliography

John Sinkankas

Out of Stock

Emerald and Other Beryls

John Sinkankas

$107.79 - $129.49

Mineralogy for Amateurs

John Sinkankas

Out of Stock

Van Nostrand's Standard Catalog of Gems by John Sinkankas

John Sinkankas

Out of Stock

Prospecting For Gemstones and Minerals

John Sinkankas

$44.69

Gemstones and Minerals How and Where to Find Them By John Sinkankas Hardback

John Sinkankas

Out of Stock

Gem Cutting a Lapidarys Manual

John Sinkankas

Out of Stock

Humboldt's Travels in Siberia 1837-1842: The Gemstones by Gustav Rose

John Sinkankas

Out of Stock

Gemstones of North America

John Sinkankas

Out of Stock