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单词 pennantite
释义

pennantite

/ˈpɛnəntʌɪt/
Mineralogy
noun
A mineral of the monoclinic crystal system which consists of a hydroxide and aluminosilicate of manganese, and occurs as minute orange-red pleochroic flakes.

Origin

1940s. From the name of Thomas Pennant, Welsh zoologist and mineralogist + -ite.

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更新时间:2024/12/23 23:27:02