natroniobite

uncountable

(mineralogy) A monoclinic mineral containing niobium, oxygen, and sodium.

Japanese Meaning

単斜晶系の鉱物で、ナイオブ、酸素、ナトリウムを含む鉱物

The mineralogist carefully examined a sample of natroniobite under the microscope to determine its crystal habit and composition.

鉱物学者は、結晶形態と組成を調べるために、顕微鏡下でナトリウム含有ニオブ酸化鉱物の試料を慎重に調べた。

Sense（1）

(mineralogy) A monoclinic mineral containing niobium, oxygen, and sodium.