perraultite
(mineralogy) A monoclinic-sphenoidal orange brown mineral containing barium, calcium, fluorine, hydrogen, iron, manganese, niobium, oxygen, potassium, silicon, sodium, and titanium.
Third-person singular simple present indicative form of micronap
plural of pitch invasion
Mental or spiritual refreshment. / Physical refreshment, especially with food or drink. / A meal, especially a light meal.
地質学者は、ペグマタイト脈で見つかった、バリウム、カルシウム、フッ素、水素、鉄、マンガン、ニオブ、酸素、カリウム、ケイ素、ナトリウム、チタンを含む一軸斜方晶系の橙褐色鉱物の珍しい標本を注意深く調べた。
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