noun🔗ShareジルコンA mineral occurring in tetragonal crystals, usually of a brown or grey colour and consisting of silica and zirconia."The geologist found a beautiful zircon crystal in the rock sample. "地質学者は岩石標本の中で美しいジルコンの結晶を見つけた。mineralmaterialgeologysubstancescienceChat with AIVocabulary GamePractice Reading
noun🔗ShareジルコンA crystal of zircon, sometimes used as a false gemstone."The cheap necklace looked expensive, but the "diamonds" were actually just zircon. "安物のネックレスは高価に見えたが、「ダイヤモンド」は実際にはジルコンだった。mineralmaterialgeologyChat with AIVocabulary GamePractice Reading
