橄榄石 Traditional form: 橄欖石 Pinyin (reading): gǎnlǎnshí Definitions: olivine (rock-forming mineral magnesium-iron silicate (Mg,Fe)2SiO4) peridot Characters: 橄 - olive 榄 - olive 石 - stone, rock, mineral Traditional characters: 橄 - olive 欖 - olive 石 - stone, rock, mineral