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单词 Ajoite
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Ajoite

英语百科

Ajoite

Ajoite in quartz from Messina District, South Africa (size: 16.9 x 3.7 x 3 cm.)

Ajoite is a hydrated sodium potassium copper aluminium silicate hydroxide mineral. Ajoite has the chemical formula (Na,K)Cu7AlSi9O24(OH)6·3(H2O), and minor Mn, Fe and Ca are usually also present in the structure. Ajoite is used as a minor ore of copper.

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