最終更新日：2024/08/01

(mineralogy) A trigonal-hexagonal scalenohedral mineral containing niobium, oxygen, tantalum, and uranium.

正解を見る

liandratite

問題を編集する

元となった辞書の項目

liandratite

noun

(mineralogy) A trigonal-hexagonal scalenohedral mineral containing niobium, oxygen, tantalum, and uranium.

Liandratite is a rare mineral found in volcanic rocks.

意味（1）

(mineralogy) A trigonal-hexagonal scalenohedral mineral containing niobium, oxygen, tantalum, and uranium.