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the world > the earth > minerals > types of mineral > silicates > miscellaneous silicates > [noun] > of aluminium and caesium (2)
Pollux1847

Mineralogy. = pollucite, n. Now historical and rare.

pollucite1868

A rare mineral of the cubic crystal system which consists of a hydrated aluminosilicate of caesium and sodium, (Cs,Na)2Al2Si4O12·H2O, occurring as…

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