Gem Cutting a Lapidarys Manual Editionde John SinkankasEdiciones (1)Gem Cutting a Lapidarys Manual Edition (1963)Van Nostrand Reinhold/co Wiley · ISBN 9780442076115Más obras de John SinkankasEmeraldPProspecting for Gemstones and MineralsProspecting for Gemstones and MineralsMMineralogy for Amateurs, Line Drawings and Diagrams By the AMineralogy for Amateurs, Line Drawings and Diagrams By the Author
MMineralogy for Amateurs, Line Drawings and Diagrams By the AMineralogy for Amateurs, Line Drawings and Diagrams By the Author
AA bibliography of North American gemstone liteatureA bibliography of North American gemstone liteature
