Armalcolite
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This mineral was first discovered in the lunar samples brought back by Apollo 11. Its chemical composition is (Mg, Fe) Ti 2 O 5 . It is a gray, opaque mineral with a specific gravity of 4.9. It was named after the three astronauts of Apollo 11. Source : Heibonsha Encyclopedia About MyPedia Information |
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アポロ11号が持ち帰った月試料中に初めて見出された鉱物。化学組成は（Mg，Fe）Ti2O5。灰色の不透明鉱物で，比重4.9。アポロ11号の３人の宇宙飛行士の名前を組み合わせて命名された。
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