Papers by Mark W Mangus, Jr.
Beads: Journal of the Society of Bead Researchers , 2018
Chemical analysis of a unique black bead found in southeastern Turkey that depicts the four phase... more Chemical analysis of a unique black bead found in southeastern Turkey that depicts the four phases of the moon reveals it most likely originated in the Fichtelgebirge region of Bavaria at some time prior to the early 19th century.
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Papers by Mark W Mangus, Jr.