99.999% purity germanium ingot ensures high value for collectors
Each bar inscribed with unique serial number for authenticity
Smooth, lightly polished surface for safe handling
Includes assay certificate and velvet logo bag for secure shipping
Crystalline structure visible under surface for visual appeal
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Germanium metalloid ingot - one troy ounce - .99999 bullion
Discovered by Clemens Winkler in 1886 and named for his homeland of Germany, Germanium is a silvery metallic element with the same crystalline structure as diamonds when formed under standard conditions. In this form it is very hard and brittle and can break like a piece of