graphic tellurium

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Noun1.graphic tellurium - a silver-white mineral consisting of silver gold telluride; a source of gold in Australia and America
atomic number 79, Au, gold - a soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and alluvial deposits; does not react with most chemicals but is attacked by chlorine and aqua regia
atomic number 52, Te, tellurium - a brittle silver-white metalloid element that is related to selenium and sulfur; it is used in alloys and as a semiconductor; occurs mainly as tellurides in ores of copper and nickel and silver and gold
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition