thoriten. 釷石矽酸釷礦學術名詞矽酸釷礦:物理學、電機工程、核能、化學工程釷石:礦物學、海洋地質學、地質學矽酸釷石:地球科學鈣釷石:礦物學鈾釷石:海洋地質學英文釋義a radioactive mineral consisting of thorium silicate; it is a source of thorium that is found in coarse granite