かんらん石せきかんらんせきMeanings1nounolivine; peridotmineralogyMineral name for a greenish magnesium-iron silicate; peridot is the gem-quality variety.かんらん石せきはマントルに多おおく含ふくまれる鉱こう物ぶつだ。Olivine is a mineral abundant in the mantle.宝ほう石せき質しつのかんらん石