John Sinkankas

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

John Sinkankas

$36.95 - $44.95

Gem Cutting a Lapidarys Manual Edition

John Sinkankas

$25.29 - $26.99

Mineralogy

John Sinkankas

$45.59

Gem Cutting: A Lapidary's Manual

John Sinkankas

$24.29 - $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

$32.19 - $44.29

Gemstones and Minerals: How and Where to Find Them

John Sinkankas

$14.29 - $41.59

Field Collecting Gemstones and Minerals

John Sinkankas

$44.95 - $58.50

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

John Sinkankas

Out of Stock

Van Nostrand's Standard Catalog of Gems

John Sinkankas

$5.99 - $7.09

Gemstones of North America VOLUME I

John Sinkankas

$49.39

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

John Sinkankas

Out of Stock

Gemstones and Minerals: How and Where to Find Them

John Sinkankas

Out of Stock

Mineralogy for Amateurs, Line Drawings and Diagrams By the Author

John Sinkankas

$66.89

Standard Catalog of Gem Values

John Sinkankas

$10.39 - $11.89

Standard Catalogue of Gem Values

John Sinkankas

$17.29

Beryl (Butterworths Gem Books)

John Sinkankas

Out of Stock

Van Nostrand's Standard Catalog of Gems

John Sinkankas

$7.09 - $7.39

Mineralogy for Amateurs

John Sinkankas

Out of Stock

Gemology: An Annotated Bibliography

John Sinkankas

Out of Stock

Emerald and Other Beryls

John Sinkankas

Out of Stock

Prospecting For Gemstones and Minerals

John Sinkankas

$44.95

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

Van Nostrand's Standard Catalog of Gems by John Sinkankas

John Sinkankas

Out of Stock