32 Ge Germanium
Metalloid, mass: 72.64 u, 4 stable isotopes (70, 72, 73, 74), abundance rank (earth/space): 46/28Click image to magnify. Ultrapure chunk of polycrystalline germanium, 12 grams. Original size in cm: 2 x 3
Germanium is a shiny silvery metalloid and a semiconductor. The latter makes it an important material in electronics and solar technology. Germanium is corrosion-resistant, very brittle and slightly toxic, it doesn't have biological functions. Sometimes organic germanium compounds are sold as obscure miracle cures. These have no medicinal benefit at all and are rather noxious.
Same piece.
Tiny germanium crystals, the largest is 5 mm long.
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Page last changed on March 05. 2016
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