A microporous mineral of the zeolite family, typically colorless or white, used in water purification and as a molecular sieve in industrial applications.
From Greek 'an-' (without) + 'alkis' (strength), referring to the mineral's weak appearance or friability. Named in the 19th century by mineralogists who noted its delicate crystal structure. Also spelled 'analcite.'
Analcime crystals have tiny holes just big enough to trap specific molecules—scientists use this natural property in factories to purify everything from water to gasoline, essentially using the mineral as nature's filter.
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