Germanium metal is a shiny silvery metalloid and a semiconductor. The latter makes Germanium metal an important material in electronics and solar technology. Germanium metal is a corrosion-resistant, very brittle and slightly toxic material, 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.
Ultra pure (5N) 99,999% Germanium Metal crystal 1 gram in labeled glass vial. Ultra Pure Germanium metal sample for element collection.
Last 2 pictures shows Germanium casted in resina vial.
Amazing Germanium metal standard density cube 10x10x10mm, 99.95% pure. Sample weighs 5.3 grams which is the density of the Germanium metal element. This cube is amazing for any science classrooms, schools, universities and collectors. Pure Germanium metal cube for element collection.