Mineralogy for amateursde John SinkankasMateriasMineralogyEdiciones (3)Mineralogy for amateurs (1964)Van Nostrand · inglésMineralogy for amateurs. (1964)Van Nostrand · inglésMineralogy for amateursMás 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
